https://hades.mech.northwestern.edu//api.php?action=feedcontributions&feedformat=atom&user=TristanSokolMech - User contributions [en]2026-04-30T22:38:37ZUser contributionsMediaWiki 1.35.9https://hades.mech.northwestern.edu//index.php?title=Northwestern_Design_Competition&diff=22148Northwestern Design Competition2013-04-25T03:22:55Z<p>TristanSokol: /* DC2013 */</p>
<hr />
<div>==DC2013==<br />
Spring Quarter Schedule<br />
* '''Workshop 6''' - H-Bridges, DC motor control, wheel sensing<br />
** Wed, 4/3/2013, 6pm in mechatronics lab<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:encoder.docx | Encoder template]]<br />
<br />
* '''Milestone 6''' - Wheel control<br />
** '''Meeting in the mechatronics lab at 6pm 4/17'''<br />
** Demo due by 4/17/2013<br />
** Press the USER button, and the wheel rotates 180 degrees<br />
<br />
* '''Milestone 7''' - Complete chassis<br />
**[[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
** Demo due by 4/24/2013<br />
** Demo your chassis<br />
<br />
* '''Milestone 8''' - Driving and sensing the world<br />
** Demo due by 5/1/2013<br />
** Demo your robot driving around the arena and sensing things<br />
<br />
* '''Milestone 9''' - Identify prey and drive towards them<br />
** Demo due by 5/8/2013<br />
** Demo your robot chasing Prey<br />
<br />
* '''Milestone 10''' - Operational robot, demo for E-Week<br />
** Demo due by 5/15/2013, demo at E-Week in Tech lobby<br />
** Show how your robot works<br />
<br />
* '''COMPETITION!!!!'''<br />
** 5/18/2013, Noon in the machine shop<br />
<br />
Useful things:<br />
* Arena and breakout board<br />
** [[Media:DC2013breakout_eagle.zip | Breakout board EAGLE files]]<br />
[[File:DC2013arena.jpg|700px]]<br />
** [[Media:DC2013arena.pdf | DC2013arena.pdf]]<br />
* Write-ups<br />
** [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]]<br />
** [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]]<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
* Code<br />
** [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]]<br />
** [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
<br />
* NU32<br />
** Download: MPLAB X IDE and MPLAB XC32 Compiler from [http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads]<br />
** Download: FTDI Drivers from [http://www.ftdichip.com/Drivers/VCP.htm http://www.ftdichip.com/Drivers/VCP.htm]<br />
** Download: NU32_Utility from [[NU32:_Software_to_Install]]<br />
* NU32 from 2012<br />
** We have a lot of left over boards from 2012 but you have to use NU32_Utility_v5 from [[NU32:_Software_to_Install]]<br />
** and [[Media:NU32_2012.c| NU32_2012.c]], [[Media:NU32_2012.h | NU32_2012.h]] instead of NU32.c and NU32.h<br />
<br />
Winter 2013 Schedule<br />
* '''Workshop 1''' - Prey robot deconstruction<br />
** Tue, 1/15/2013, 6pm, Ford B100<br />
<br />
* '''Milestone 1''' - Prey robot -> Demobot<br />
** Due by Wed, 1/23/2013<br />
** Show off your Demobot, made from a deconstructed Prey robot '''DONE!'''<br />
<br />
* '''Workshop 2''' - Programming the PIC32<br />
** Begin Wed, 1/23/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32<br />
** Sample code - [[Media:NU32test.hex | NU32test.hex]], [[Media:SimplePIC.c | SimplePIC.c]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]], [[Media:talkingPIC.c | talkingPIC.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]]<br />
<br />
* '''Milestone 2''' - Programming the PIC32<br />
** Due by Wed, 1/30/2013<br />
** Code Template: [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** Complete the assignment here: [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 3''' - Programming the PIC32<br />
** Begin Wed, 1/30/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32, sensors and actuators, soldering<br />
** Sample code - [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
<br />
* '''Milestone 3''' - Programming the PIC32, sensors and actuators<br />
** '''Due by Wed, 2/6/2013'''<br />
** Potentiometers, phototransistors, RC servos, ultrasonic distance sensors<br />
** Complete the assignment here: [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 4''' - Using the laser cutter<br />
** Begin Wed, 2/6/2013<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
<br />
* '''Milestone 4''' - Laser cutter training<br />
** '''Due By Wed, 2/20/2013'''<br />
** Get trained on the laser cutter<br />
** Design and build a robot gripper or mechanism '''DONE!'''<br />
<br />
* '''Workshop 5''' - RC servo and Laser detection<br />
** Begin Wed, 2/13/2013, '''at 6pm in the mechatronics lab'''<br />
** How to use a laser to detect retroreflective tape<br />
** How to buffer and analyse data<br />
** Combining the laser and RC servo to make a moving sensor<br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
<br />
* '''Milestone 5''' - Target hunting<br />
** '''Due by Wed, 2/20/2013'''<br />
** Mount the laser on the servo<br />
** Sweep the laser, find the target, and point at it '''DONE!'''<br />
<br />
<br />
<br />
'''Reading week 6/11-5, finals week 6/18-22, break 3/25-29'''<br />
<br />
==DC2012==<br />
Scale arena:<br />
[[Image:DC2012Arena.png|thumb|500px|Dimensions of the arena for 2012|center]]<br />
'''Equipment'''<br />
*NU32, USB cable, 6V power supply<br />
*2 drive motors, 2 motor mounts, 2 wheels<br />
*large and small RC servos<br />
*red and IR lasers<br />
*12"x24"x0.118" clear acrylic sheets<br />
*AA batteries and packs<br />
<br />
'''PCB'''<br />
[[Image:DC2012PCBlayout.png|thumb|500px|The PCB breakout for DC2012|center]]<br />
[[Media:DC2012PCBSchematic.pdf | Schematic of PCB for 2012]]<br />
<br />
[[Image:DC2012SheetMetalCutter.png|thumb|500px|Use the straight cut sheet metal cutter to slice up the PCB|center]]<br />
[[Image:DC2012CuttingThePCB.png|thumb|500px|Like this|center]]<br />
[[Image:DC2012CutUpPCB.png|thumb|500px|So that you separate all the boards|center]]<br />
[[Image:DC2012FemaleHeader.png|thumb|500px|Use female header pins to attach the NU32. The headers come is sets of 20 pins, so you will have to cut one up.|center]]<br />
[[Image:DC2012LaserPCB.png|thumb|500px|Attach lasers with hot glue|center]]<br />
[[Image:DC2012LEDPCB.png|thumb|500px|Note the orientation of the LED an phototransistor, they are polarized!|center]]<br />
<br />
'''Workshop 1, Wednesday 1/18 5:30-7pm Tech L221, makeup Thursday 1/19 9-11am Mechatronics Lab'''<br />
*How to program in MPLABX<br />
*How to use the bootloader to put code on the NU32<br />
*Digital output I/O (read a button and flash an LED)<br />
*Analog input<br />
*PWM output<br />
*Sample code:[[Media:DC2012_Workshot1.zip | Sample code for Workshop 1]]<br />
'''Milestone 1, due by 1/27'''<br />
*If a pushbutton is pressed, read the value of a potentiometer and change the brightness of an LED to the corresponding value with PWM<br />
'''Workshop 2, Thursday 2/9 6-7pm Tech L221, makeup Friday 2/10 9-11am Mechatronics Lab'''<br />
*Optical isolation for motors and RC servos<br />
*Powering a motor with an h-bridge<br />
*Writing to the 16x2 character LCD<br />
*Laser detection of retroreflective tape / Optical line detection<br />
*2 1/2D design<br />
'''Milestone 2, Due week of Feb 27'''<br />
*Optically isolate a motor<br />
*Read a potentiometer and write its voltage to the LCD<br />
*Control the motor velocity based on the potentiometer reading<br />
*Control an RC servo<br />
*Detect a 3/4" wide black line on white paper with a phototransistor and LED<br />
'''Laser cutting Workshop, Week of Apr 2'''<br />
*Laser cutting<br />
*2.5D design<br />
*Making a chassis, mounting motors and sensors<br />
'''Chassis Milestone, Due Apr 13'''<br />
*Demonstrate a robot chassis that can drive around the arena, bonus points for following a line, detecting and moving towards the moving goals, and detecting and moving towards a crate<br />
'''Midterm Milestone, Due Apr 30 / May 1 / May 2'''<br />
*Demonstrate some strategy - from the starting position, go get a crate and bring to back towards the goal<br />
'''Pre-competition Milestone, Due May 9'''<br />
*Demonstrate some advanced strategy - score several points<br />
'''Competition May 19!'''<br />
<br />
==DC2011==<br />
'''Milestone 1'''<br />
*On a button press, read the value of a potentiometer and change the brightness of an LED accordingly using PWM. '''Note:''' Do not use an h-bridge or motor as previously assigned.<br />
*Due before Workshop 2 on Wed, 2/9.<br />
*[[Media:NU32v2_DC2011_workshop1.zip | Sample code from Workshop 1]]<br />
'''Milestone 2'''<br />
*Due before Workshop 3 on Wed, 2/23.<br />
*Goals:<br />
**Use code from [[NU32v2: Nokia 5110 LCD]] and [[NU32v2: Analog Input]] to read a potentiometer and print the voltage to the Nokia 5110<br />
**Optically isolate a motor and control its velocity based on the potentiometer reading<br />
**Do 1 of the following:<br />
***Mount a phototransistor to a laser and detect a cake '''OR'''<br />
***Detect a line of electrical tape on white paper with an optoreflector<br />
*Datasheets<br />
**[[Media:HBridge_L293D.pdf|HBridge_L293D.pdf]] - H-bridge for driving a DC motor<br />
**[[Media:Optocoupler_A847.pdf|Optocoupler_A847.pdf]] - Optocoupler to optically isolate your H-bridge<br />
**[[Media:HexInverter_74HC04.pdf|HexInverter_74HC04.pdf]] - Inverting chip to digitize optocoupler output<br />
**[[Media:Optoreflector_OPB740.pdf|Optoreflector_OPB740.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Optoreflector_QRE1113.pdf|Optoreflector_QRE1113.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Phototransistor_SFH310.pdf|Phototransistor_SFH310.pdf]] - Phototransistor to detect lines, color, or laser reflections<br />
*Notes<br />
**[[Media:DC2011_WS2_OpticalIsolation.pdf|DC2011_WS2_OpticalIsolation.pdf]] - How to optically isolate an h-bridge and servo motor using the A847 and 74HC04<br />
**[[Media:DC2011_WS2_OpticalSensors.pdf|DC2011_WS2_OpticalSensors.pdf]] - How to use the SFH310 to detect a cake and use the OPB740 or QRE1113 for line following<br />
**[[Media:DC2011_WS2_Code.zip|DC2011_WS2_Code.zip]] - Example code for the NU32v2 that will:<br />
***Control a DC motor hooked up to an optically isolated h-bridge, and control an optically isolated RC servo motor<br />
***Respond to serial commands to control the motors, write to the Nokia 5110, and read two analog signals<br />
<br />
'''Milestone 4'''<br />
*Due before Wed, 3/16<br />
*Finish laser training, at least one person per team<br />
*Construct a prototype chassis for your robot<br />
*Do one of the following:<br />
**Follow part of the line on the 36" x 96" printout of [[Media:DC2011LineFOllowing.pdf|this pdf]]<br />
**Detect a cake somewhere on the floor and drive to it<br />
<br />
'''Breakout Boards'''<br />
*[[Media:DC2011Breakouts.pdf|Image of the breakout boards]]<br />
*[[Media:DC2011BreakoutsSchematic.pdf|Circuit schematic of the breakout boards]]<br />
*This board contains:<br />
**A spot to plug in the NU32v2 with some prototyping area<br />
**The optical isolation circuit with some prototyping area, the same size as the NU32v2 breakout board so it can be stacked on top<br />
**8 SFH310 with LED breakout boards<br />
**4 SFH310 with laser diode breakout boards<br />
**1 LIS352AX accelerometer breakout board<br />
**1 LSM303DHL tilt-compensated compass breakout board<br />
**1 LPY550AL gyroscope breakout board<br />
**1 LS7366R encoder decoder breakout board<br />
**1 TCS3103 color sensor breakout board<br />
*How to use the boards:<br />
**[[Image:nu32v2_breakoutboard.jpg|thumb|500px|Solder female header pins to the NU32v2 Breakout Board so that you can plug in and remove your NU32v2|center]]<br />
**[[Image:nu32v2_opticalisolationbreakoutboard.jpg|thumb|500px|Solder sockets to the Optically Isolated Motor Board so you can remove burnt out chips|center]]<br />
**[[Image:nu32v2_phototransistorbreakoutboards.jpg|thumb|500px|The LED and Laser Phototransistor breakout boards will make it easier to attach wires to the sensors|center]]<br />
**[[Image:nu32v2_stackedboards.jpg|thumb|500px|You can stack the NU32v2 breakout board with the Optically Isolated board|center]]<br />
<br />
'''Brochure for 2011'''<br />
*[[Media:DC2011_brochure.pdf|Brochure for 2011]]<br />
<br />
==Previous Years==<br />
<br />
Wiki pages on sensors, actuators, programming, and microcontrollers: use pages below<br />
<br><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/QuickStart/ Parts in the DC2008 quick start pack]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/piccintro_2008-01-24.pdf PIC C intro slides, as presented 2008/01/24 (pdf)]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/picinterfacing_2008-01-28.pdf PIC interfacing slides, as presented 2008/01/28 (pdf)]<br />
* <b>[http://peshkin.mech.northwestern.edu/pic/code Link to all sample PIC code here.]</b><br />
<br><br />
<br />
<h3>Sensors and actuators for DC</h3><br />
* [[Using Solderless Breadboard|Solderless Breadboard & wiring that works]]<br />
* [[Using LEDs & IREDs]]<br />
* [[Using a laser]]<br />
* [[Sensing optical tape|Infrared reflectivity]]<br />
** Using phototransistors<br />
** Sensing optical tape<br />
* [[Comparators | Comparators : the analog digital interface]]<br />
* [http://www.robotroom.com/FaulhaberGearmotor.html Faulhaber MiniMotor SA gearmotor with encoder], as well as [[Actuators_Available_in_the_Mechatronics_Lab#Faulhaber_1524E006S_motor_with_141:1_gearhead_and_HES164A_magnetic_quadrature_encoder|the local wiki page]]<br />
* [[Adding a magnetic encoder to a GM3 Gearmotor]]<br />
** Using magnetic switches (Hall Effect)<br />
* [[High-current devices|Driving high-current devices: several options]]<br />
* [[Driving a Stepper Motor]]<br />
* [[Driving an RC Servo]]<br />
* [[Accelerometers]]<br />
* [[Strain gauges]]<br />
* [[Using the Basic Stamp Microcontroller|Basic Stamp Microcontroller]] <b>Not recommended for DC2008</b><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/Battery_NiMH/ NiMH rechargable batteries and chargers]<br />
<br />
<h3> [http://peshkin.mech.northwestern.edu/datasheets Prof. Peshkin's favorite datasheets]</h3><br />
<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Northwestern_Design_Competition&diff=22147Northwestern Design Competition2013-04-25T03:22:10Z<p>TristanSokol: /* DC2013 */</p>
<hr />
<div>==DC2013==<br />
Spring Quarter Schedule<br />
* '''Workshop 6''' - H-Bridges, DC motor control, wheel sensing<br />
** Wed, 4/3/2013, 6pm in mechatronics lab<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:encoder.docx | Encoder template]]<br />
<br />
* '''Milestone 6''' - Wheel control<br />
** '''Meeting in the mechatronics lab at 6pm 4/17'''<br />
** Demo due by 4/17/2013<br />
** Press the USER button, and the wheel rotates 180 degrees<br />
<br />
* '''Milestone 7''' - Complete chassis<br />
**[[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
** Demo due by 4/24/2013<br />
** Demo your chassis<br />
<br />
* '''Milestone 8''' - Driving and sensing the world<br />
** Demo due by 5/1/2013<br />
** Demo your robot driving around the arena and sensing things<br />
<br />
* '''Milestone 9''' - Identify prey and drive towards them<br />
** Demo due by 5/8/2013<br />
** Demo your robot chasing Prey<br />
<br />
* '''Milestone 10''' - Operational robot, demo for E-Week<br />
** Demo due by 5/15/2013, demo at E-Week in Tech lobby<br />
** Show how your robot works<br />
<br />
* '''COMPETITION!!!!'''<br />
** 5/18/2013, Noon in the machine shop<br />
<br />
Useful things:<br />
* Arena and breakout board<br />
** [[Media:DC2013breakout_eagle.zip | Breakout board EAGLE files]]<br />
[[File:DC2013arena.jpg]]<br />
** [[Media:DC2013arena.pdf | DC2013arena.pdf]]<br />
* Write-ups<br />
** [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]]<br />
** [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]]<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
* Code<br />
** [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]]<br />
** [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
<br />
* NU32<br />
** Download: MPLAB X IDE and MPLAB XC32 Compiler from [http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads]<br />
** Download: FTDI Drivers from [http://www.ftdichip.com/Drivers/VCP.htm http://www.ftdichip.com/Drivers/VCP.htm]<br />
** Download: NU32_Utility from [[NU32:_Software_to_Install]]<br />
* NU32 from 2012<br />
** We have a lot of left over boards from 2012 but you have to use NU32_Utility_v5 from [[NU32:_Software_to_Install]]<br />
** and [[Media:NU32_2012.c| NU32_2012.c]], [[Media:NU32_2012.h | NU32_2012.h]] instead of NU32.c and NU32.h<br />
<br />
Winter 2013 Schedule<br />
* '''Workshop 1''' - Prey robot deconstruction<br />
** Tue, 1/15/2013, 6pm, Ford B100<br />
<br />
* '''Milestone 1''' - Prey robot -> Demobot<br />
** Due by Wed, 1/23/2013<br />
** Show off your Demobot, made from a deconstructed Prey robot '''DONE!'''<br />
<br />
* '''Workshop 2''' - Programming the PIC32<br />
** Begin Wed, 1/23/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32<br />
** Sample code - [[Media:NU32test.hex | NU32test.hex]], [[Media:SimplePIC.c | SimplePIC.c]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]], [[Media:talkingPIC.c | talkingPIC.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]]<br />
<br />
* '''Milestone 2''' - Programming the PIC32<br />
** Due by Wed, 1/30/2013<br />
** Code Template: [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** Complete the assignment here: [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 3''' - Programming the PIC32<br />
** Begin Wed, 1/30/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32, sensors and actuators, soldering<br />
** Sample code - [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
<br />
* '''Milestone 3''' - Programming the PIC32, sensors and actuators<br />
** '''Due by Wed, 2/6/2013'''<br />
** Potentiometers, phototransistors, RC servos, ultrasonic distance sensors<br />
** Complete the assignment here: [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 4''' - Using the laser cutter<br />
** Begin Wed, 2/6/2013<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
<br />
* '''Milestone 4''' - Laser cutter training<br />
** '''Due By Wed, 2/20/2013'''<br />
** Get trained on the laser cutter<br />
** Design and build a robot gripper or mechanism '''DONE!'''<br />
<br />
* '''Workshop 5''' - RC servo and Laser detection<br />
** Begin Wed, 2/13/2013, '''at 6pm in the mechatronics lab'''<br />
** How to use a laser to detect retroreflective tape<br />
** How to buffer and analyse data<br />
** Combining the laser and RC servo to make a moving sensor<br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
<br />
* '''Milestone 5''' - Target hunting<br />
** '''Due by Wed, 2/20/2013'''<br />
** Mount the laser on the servo<br />
** Sweep the laser, find the target, and point at it '''DONE!'''<br />
<br />
<br />
<br />
'''Reading week 6/11-5, finals week 6/18-22, break 3/25-29'''<br />
<br />
==DC2012==<br />
Scale arena:<br />
[[Image:DC2012Arena.png|thumb|500px|Dimensions of the arena for 2012|center]]<br />
'''Equipment'''<br />
*NU32, USB cable, 6V power supply<br />
*2 drive motors, 2 motor mounts, 2 wheels<br />
*large and small RC servos<br />
*red and IR lasers<br />
*12"x24"x0.118" clear acrylic sheets<br />
*AA batteries and packs<br />
<br />
'''PCB'''<br />
[[Image:DC2012PCBlayout.png|thumb|500px|The PCB breakout for DC2012|center]]<br />
[[Media:DC2012PCBSchematic.pdf | Schematic of PCB for 2012]]<br />
<br />
[[Image:DC2012SheetMetalCutter.png|thumb|500px|Use the straight cut sheet metal cutter to slice up the PCB|center]]<br />
[[Image:DC2012CuttingThePCB.png|thumb|500px|Like this|center]]<br />
[[Image:DC2012CutUpPCB.png|thumb|500px|So that you separate all the boards|center]]<br />
[[Image:DC2012FemaleHeader.png|thumb|500px|Use female header pins to attach the NU32. The headers come is sets of 20 pins, so you will have to cut one up.|center]]<br />
[[Image:DC2012LaserPCB.png|thumb|500px|Attach lasers with hot glue|center]]<br />
[[Image:DC2012LEDPCB.png|thumb|500px|Note the orientation of the LED an phototransistor, they are polarized!|center]]<br />
<br />
'''Workshop 1, Wednesday 1/18 5:30-7pm Tech L221, makeup Thursday 1/19 9-11am Mechatronics Lab'''<br />
*How to program in MPLABX<br />
*How to use the bootloader to put code on the NU32<br />
*Digital output I/O (read a button and flash an LED)<br />
*Analog input<br />
*PWM output<br />
*Sample code:[[Media:DC2012_Workshot1.zip | Sample code for Workshop 1]]<br />
'''Milestone 1, due by 1/27'''<br />
*If a pushbutton is pressed, read the value of a potentiometer and change the brightness of an LED to the corresponding value with PWM<br />
'''Workshop 2, Thursday 2/9 6-7pm Tech L221, makeup Friday 2/10 9-11am Mechatronics Lab'''<br />
*Optical isolation for motors and RC servos<br />
*Powering a motor with an h-bridge<br />
*Writing to the 16x2 character LCD<br />
*Laser detection of retroreflective tape / Optical line detection<br />
*2 1/2D design<br />
'''Milestone 2, Due week of Feb 27'''<br />
*Optically isolate a motor<br />
*Read a potentiometer and write its voltage to the LCD<br />
*Control the motor velocity based on the potentiometer reading<br />
*Control an RC servo<br />
*Detect a 3/4" wide black line on white paper with a phototransistor and LED<br />
'''Laser cutting Workshop, Week of Apr 2'''<br />
*Laser cutting<br />
*2.5D design<br />
*Making a chassis, mounting motors and sensors<br />
'''Chassis Milestone, Due Apr 13'''<br />
*Demonstrate a robot chassis that can drive around the arena, bonus points for following a line, detecting and moving towards the moving goals, and detecting and moving towards a crate<br />
'''Midterm Milestone, Due Apr 30 / May 1 / May 2'''<br />
*Demonstrate some strategy - from the starting position, go get a crate and bring to back towards the goal<br />
'''Pre-competition Milestone, Due May 9'''<br />
*Demonstrate some advanced strategy - score several points<br />
'''Competition May 19!'''<br />
<br />
==DC2011==<br />
'''Milestone 1'''<br />
*On a button press, read the value of a potentiometer and change the brightness of an LED accordingly using PWM. '''Note:''' Do not use an h-bridge or motor as previously assigned.<br />
*Due before Workshop 2 on Wed, 2/9.<br />
*[[Media:NU32v2_DC2011_workshop1.zip | Sample code from Workshop 1]]<br />
'''Milestone 2'''<br />
*Due before Workshop 3 on Wed, 2/23.<br />
*Goals:<br />
**Use code from [[NU32v2: Nokia 5110 LCD]] and [[NU32v2: Analog Input]] to read a potentiometer and print the voltage to the Nokia 5110<br />
**Optically isolate a motor and control its velocity based on the potentiometer reading<br />
**Do 1 of the following:<br />
***Mount a phototransistor to a laser and detect a cake '''OR'''<br />
***Detect a line of electrical tape on white paper with an optoreflector<br />
*Datasheets<br />
**[[Media:HBridge_L293D.pdf|HBridge_L293D.pdf]] - H-bridge for driving a DC motor<br />
**[[Media:Optocoupler_A847.pdf|Optocoupler_A847.pdf]] - Optocoupler to optically isolate your H-bridge<br />
**[[Media:HexInverter_74HC04.pdf|HexInverter_74HC04.pdf]] - Inverting chip to digitize optocoupler output<br />
**[[Media:Optoreflector_OPB740.pdf|Optoreflector_OPB740.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Optoreflector_QRE1113.pdf|Optoreflector_QRE1113.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Phototransistor_SFH310.pdf|Phototransistor_SFH310.pdf]] - Phototransistor to detect lines, color, or laser reflections<br />
*Notes<br />
**[[Media:DC2011_WS2_OpticalIsolation.pdf|DC2011_WS2_OpticalIsolation.pdf]] - How to optically isolate an h-bridge and servo motor using the A847 and 74HC04<br />
**[[Media:DC2011_WS2_OpticalSensors.pdf|DC2011_WS2_OpticalSensors.pdf]] - How to use the SFH310 to detect a cake and use the OPB740 or QRE1113 for line following<br />
**[[Media:DC2011_WS2_Code.zip|DC2011_WS2_Code.zip]] - Example code for the NU32v2 that will:<br />
***Control a DC motor hooked up to an optically isolated h-bridge, and control an optically isolated RC servo motor<br />
***Respond to serial commands to control the motors, write to the Nokia 5110, and read two analog signals<br />
<br />
'''Milestone 4'''<br />
*Due before Wed, 3/16<br />
*Finish laser training, at least one person per team<br />
*Construct a prototype chassis for your robot<br />
*Do one of the following:<br />
**Follow part of the line on the 36" x 96" printout of [[Media:DC2011LineFOllowing.pdf|this pdf]]<br />
**Detect a cake somewhere on the floor and drive to it<br />
<br />
'''Breakout Boards'''<br />
*[[Media:DC2011Breakouts.pdf|Image of the breakout boards]]<br />
*[[Media:DC2011BreakoutsSchematic.pdf|Circuit schematic of the breakout boards]]<br />
*This board contains:<br />
**A spot to plug in the NU32v2 with some prototyping area<br />
**The optical isolation circuit with some prototyping area, the same size as the NU32v2 breakout board so it can be stacked on top<br />
**8 SFH310 with LED breakout boards<br />
**4 SFH310 with laser diode breakout boards<br />
**1 LIS352AX accelerometer breakout board<br />
**1 LSM303DHL tilt-compensated compass breakout board<br />
**1 LPY550AL gyroscope breakout board<br />
**1 LS7366R encoder decoder breakout board<br />
**1 TCS3103 color sensor breakout board<br />
*How to use the boards:<br />
**[[Image:nu32v2_breakoutboard.jpg|thumb|500px|Solder female header pins to the NU32v2 Breakout Board so that you can plug in and remove your NU32v2|center]]<br />
**[[Image:nu32v2_opticalisolationbreakoutboard.jpg|thumb|500px|Solder sockets to the Optically Isolated Motor Board so you can remove burnt out chips|center]]<br />
**[[Image:nu32v2_phototransistorbreakoutboards.jpg|thumb|500px|The LED and Laser Phototransistor breakout boards will make it easier to attach wires to the sensors|center]]<br />
**[[Image:nu32v2_stackedboards.jpg|thumb|500px|You can stack the NU32v2 breakout board with the Optically Isolated board|center]]<br />
<br />
'''Brochure for 2011'''<br />
*[[Media:DC2011_brochure.pdf|Brochure for 2011]]<br />
<br />
==Previous Years==<br />
<br />
Wiki pages on sensors, actuators, programming, and microcontrollers: use pages below<br />
<br><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/QuickStart/ Parts in the DC2008 quick start pack]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/piccintro_2008-01-24.pdf PIC C intro slides, as presented 2008/01/24 (pdf)]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/picinterfacing_2008-01-28.pdf PIC interfacing slides, as presented 2008/01/28 (pdf)]<br />
* <b>[http://peshkin.mech.northwestern.edu/pic/code Link to all sample PIC code here.]</b><br />
<br><br />
<br />
<h3>Sensors and actuators for DC</h3><br />
* [[Using Solderless Breadboard|Solderless Breadboard & wiring that works]]<br />
* [[Using LEDs & IREDs]]<br />
* [[Using a laser]]<br />
* [[Sensing optical tape|Infrared reflectivity]]<br />
** Using phototransistors<br />
** Sensing optical tape<br />
* [[Comparators | Comparators : the analog digital interface]]<br />
* [http://www.robotroom.com/FaulhaberGearmotor.html Faulhaber MiniMotor SA gearmotor with encoder], as well as [[Actuators_Available_in_the_Mechatronics_Lab#Faulhaber_1524E006S_motor_with_141:1_gearhead_and_HES164A_magnetic_quadrature_encoder|the local wiki page]]<br />
* [[Adding a magnetic encoder to a GM3 Gearmotor]]<br />
** Using magnetic switches (Hall Effect)<br />
* [[High-current devices|Driving high-current devices: several options]]<br />
* [[Driving a Stepper Motor]]<br />
* [[Driving an RC Servo]]<br />
* [[Accelerometers]]<br />
* [[Strain gauges]]<br />
* [[Using the Basic Stamp Microcontroller|Basic Stamp Microcontroller]] <b>Not recommended for DC2008</b><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/Battery_NiMH/ NiMH rechargable batteries and chargers]<br />
<br />
<h3> [http://peshkin.mech.northwestern.edu/datasheets Prof. Peshkin's favorite datasheets]</h3><br />
<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Northwestern_Design_Competition&diff=22146Northwestern Design Competition2013-04-25T03:20:42Z<p>TristanSokol: /* DC2013 */</p>
<hr />
<div>==DC2013==<br />
Spring Quarter Schedule<br />
* '''Workshop 6''' - H-Bridges, DC motor control, wheel sensing<br />
** Wed, 4/3/2013, 6pm in mechatronics lab<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:encoder.docx | Encoder template]]<br />
<br />
* '''Milestone 6''' - Wheel control<br />
** '''Meeting in the mechatronics lab at 6pm 4/17'''<br />
** Demo due by 4/17/2013<br />
** Press the USER button, and the wheel rotates 180 degrees<br />
<br />
* '''Milestone 7''' - Complete chassis<br />
**[[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
** Demo due by 4/24/2013<br />
** Demo your chassis<br />
<br />
* '''Milestone 8''' - Driving and sensing the world<br />
** Demo due by 5/1/2013<br />
** Demo your robot driving around the arena and sensing things<br />
<br />
* '''Milestone 9''' - Identify prey and drive towards them<br />
** Demo due by 5/8/2013<br />
** Demo your robot chasing Prey<br />
<br />
* '''Milestone 10''' - Operational robot, demo for E-Week<br />
** Demo due by 5/15/2013, demo at E-Week in Tech lobby<br />
** Show how your robot works<br />
<br />
* '''COMPETITION!!!!'''<br />
** 5/18/2013, Noon in the machine shop<br />
<br />
Useful things:<br />
* Arena and breakout board<br />
** [[Media:DC2013breakout_eagle.zip | Breakout board EAGLE files]]<br />
[[File:http://hades.mech.northwestern.edu/images/d/da/DC2013arena.jpg]]<br />
** [[Media:DC2013arena.pdf | DC2013arena.pdf]]<br />
* Write-ups<br />
** [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]]<br />
** [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]]<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
* Code<br />
** [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]]<br />
** [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
<br />
* NU32<br />
** Download: MPLAB X IDE and MPLAB XC32 Compiler from [http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads]<br />
** Download: FTDI Drivers from [http://www.ftdichip.com/Drivers/VCP.htm http://www.ftdichip.com/Drivers/VCP.htm]<br />
** Download: NU32_Utility from [[NU32:_Software_to_Install]]<br />
* NU32 from 2012<br />
** We have a lot of left over boards from 2012 but you have to use NU32_Utility_v5 from [[NU32:_Software_to_Install]]<br />
** and [[Media:NU32_2012.c| NU32_2012.c]], [[Media:NU32_2012.h | NU32_2012.h]] instead of NU32.c and NU32.h<br />
<br />
Winter 2013 Schedule<br />
* '''Workshop 1''' - Prey robot deconstruction<br />
** Tue, 1/15/2013, 6pm, Ford B100<br />
<br />
* '''Milestone 1''' - Prey robot -> Demobot<br />
** Due by Wed, 1/23/2013<br />
** Show off your Demobot, made from a deconstructed Prey robot '''DONE!'''<br />
<br />
* '''Workshop 2''' - Programming the PIC32<br />
** Begin Wed, 1/23/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32<br />
** Sample code - [[Media:NU32test.hex | NU32test.hex]], [[Media:SimplePIC.c | SimplePIC.c]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]], [[Media:talkingPIC.c | talkingPIC.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]]<br />
<br />
* '''Milestone 2''' - Programming the PIC32<br />
** Due by Wed, 1/30/2013<br />
** Code Template: [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** Complete the assignment here: [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 3''' - Programming the PIC32<br />
** Begin Wed, 1/30/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32, sensors and actuators, soldering<br />
** Sample code - [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
<br />
* '''Milestone 3''' - Programming the PIC32, sensors and actuators<br />
** '''Due by Wed, 2/6/2013'''<br />
** Potentiometers, phototransistors, RC servos, ultrasonic distance sensors<br />
** Complete the assignment here: [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 4''' - Using the laser cutter<br />
** Begin Wed, 2/6/2013<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
<br />
* '''Milestone 4''' - Laser cutter training<br />
** '''Due By Wed, 2/20/2013'''<br />
** Get trained on the laser cutter<br />
** Design and build a robot gripper or mechanism '''DONE!'''<br />
<br />
* '''Workshop 5''' - RC servo and Laser detection<br />
** Begin Wed, 2/13/2013, '''at 6pm in the mechatronics lab'''<br />
** How to use a laser to detect retroreflective tape<br />
** How to buffer and analyse data<br />
** Combining the laser and RC servo to make a moving sensor<br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
<br />
* '''Milestone 5''' - Target hunting<br />
** '''Due by Wed, 2/20/2013'''<br />
** Mount the laser on the servo<br />
** Sweep the laser, find the target, and point at it '''DONE!'''<br />
<br />
<br />
<br />
'''Reading week 6/11-5, finals week 6/18-22, break 3/25-29'''<br />
<br />
==DC2012==<br />
Scale arena:<br />
[[Image:DC2012Arena.png|thumb|500px|Dimensions of the arena for 2012|center]]<br />
'''Equipment'''<br />
*NU32, USB cable, 6V power supply<br />
*2 drive motors, 2 motor mounts, 2 wheels<br />
*large and small RC servos<br />
*red and IR lasers<br />
*12"x24"x0.118" clear acrylic sheets<br />
*AA batteries and packs<br />
<br />
'''PCB'''<br />
[[Image:DC2012PCBlayout.png|thumb|500px|The PCB breakout for DC2012|center]]<br />
[[Media:DC2012PCBSchematic.pdf | Schematic of PCB for 2012]]<br />
<br />
[[Image:DC2012SheetMetalCutter.png|thumb|500px|Use the straight cut sheet metal cutter to slice up the PCB|center]]<br />
[[Image:DC2012CuttingThePCB.png|thumb|500px|Like this|center]]<br />
[[Image:DC2012CutUpPCB.png|thumb|500px|So that you separate all the boards|center]]<br />
[[Image:DC2012FemaleHeader.png|thumb|500px|Use female header pins to attach the NU32. The headers come is sets of 20 pins, so you will have to cut one up.|center]]<br />
[[Image:DC2012LaserPCB.png|thumb|500px|Attach lasers with hot glue|center]]<br />
[[Image:DC2012LEDPCB.png|thumb|500px|Note the orientation of the LED an phototransistor, they are polarized!|center]]<br />
<br />
'''Workshop 1, Wednesday 1/18 5:30-7pm Tech L221, makeup Thursday 1/19 9-11am Mechatronics Lab'''<br />
*How to program in MPLABX<br />
*How to use the bootloader to put code on the NU32<br />
*Digital output I/O (read a button and flash an LED)<br />
*Analog input<br />
*PWM output<br />
*Sample code:[[Media:DC2012_Workshot1.zip | Sample code for Workshop 1]]<br />
'''Milestone 1, due by 1/27'''<br />
*If a pushbutton is pressed, read the value of a potentiometer and change the brightness of an LED to the corresponding value with PWM<br />
'''Workshop 2, Thursday 2/9 6-7pm Tech L221, makeup Friday 2/10 9-11am Mechatronics Lab'''<br />
*Optical isolation for motors and RC servos<br />
*Powering a motor with an h-bridge<br />
*Writing to the 16x2 character LCD<br />
*Laser detection of retroreflective tape / Optical line detection<br />
*2 1/2D design<br />
'''Milestone 2, Due week of Feb 27'''<br />
*Optically isolate a motor<br />
*Read a potentiometer and write its voltage to the LCD<br />
*Control the motor velocity based on the potentiometer reading<br />
*Control an RC servo<br />
*Detect a 3/4" wide black line on white paper with a phototransistor and LED<br />
'''Laser cutting Workshop, Week of Apr 2'''<br />
*Laser cutting<br />
*2.5D design<br />
*Making a chassis, mounting motors and sensors<br />
'''Chassis Milestone, Due Apr 13'''<br />
*Demonstrate a robot chassis that can drive around the arena, bonus points for following a line, detecting and moving towards the moving goals, and detecting and moving towards a crate<br />
'''Midterm Milestone, Due Apr 30 / May 1 / May 2'''<br />
*Demonstrate some strategy - from the starting position, go get a crate and bring to back towards the goal<br />
'''Pre-competition Milestone, Due May 9'''<br />
*Demonstrate some advanced strategy - score several points<br />
'''Competition May 19!'''<br />
<br />
==DC2011==<br />
'''Milestone 1'''<br />
*On a button press, read the value of a potentiometer and change the brightness of an LED accordingly using PWM. '''Note:''' Do not use an h-bridge or motor as previously assigned.<br />
*Due before Workshop 2 on Wed, 2/9.<br />
*[[Media:NU32v2_DC2011_workshop1.zip | Sample code from Workshop 1]]<br />
'''Milestone 2'''<br />
*Due before Workshop 3 on Wed, 2/23.<br />
*Goals:<br />
**Use code from [[NU32v2: Nokia 5110 LCD]] and [[NU32v2: Analog Input]] to read a potentiometer and print the voltage to the Nokia 5110<br />
**Optically isolate a motor and control its velocity based on the potentiometer reading<br />
**Do 1 of the following:<br />
***Mount a phototransistor to a laser and detect a cake '''OR'''<br />
***Detect a line of electrical tape on white paper with an optoreflector<br />
*Datasheets<br />
**[[Media:HBridge_L293D.pdf|HBridge_L293D.pdf]] - H-bridge for driving a DC motor<br />
**[[Media:Optocoupler_A847.pdf|Optocoupler_A847.pdf]] - Optocoupler to optically isolate your H-bridge<br />
**[[Media:HexInverter_74HC04.pdf|HexInverter_74HC04.pdf]] - Inverting chip to digitize optocoupler output<br />
**[[Media:Optoreflector_OPB740.pdf|Optoreflector_OPB740.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Optoreflector_QRE1113.pdf|Optoreflector_QRE1113.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Phototransistor_SFH310.pdf|Phototransistor_SFH310.pdf]] - Phototransistor to detect lines, color, or laser reflections<br />
*Notes<br />
**[[Media:DC2011_WS2_OpticalIsolation.pdf|DC2011_WS2_OpticalIsolation.pdf]] - How to optically isolate an h-bridge and servo motor using the A847 and 74HC04<br />
**[[Media:DC2011_WS2_OpticalSensors.pdf|DC2011_WS2_OpticalSensors.pdf]] - How to use the SFH310 to detect a cake and use the OPB740 or QRE1113 for line following<br />
**[[Media:DC2011_WS2_Code.zip|DC2011_WS2_Code.zip]] - Example code for the NU32v2 that will:<br />
***Control a DC motor hooked up to an optically isolated h-bridge, and control an optically isolated RC servo motor<br />
***Respond to serial commands to control the motors, write to the Nokia 5110, and read two analog signals<br />
<br />
'''Milestone 4'''<br />
*Due before Wed, 3/16<br />
*Finish laser training, at least one person per team<br />
*Construct a prototype chassis for your robot<br />
*Do one of the following:<br />
**Follow part of the line on the 36" x 96" printout of [[Media:DC2011LineFOllowing.pdf|this pdf]]<br />
**Detect a cake somewhere on the floor and drive to it<br />
<br />
'''Breakout Boards'''<br />
*[[Media:DC2011Breakouts.pdf|Image of the breakout boards]]<br />
*[[Media:DC2011BreakoutsSchematic.pdf|Circuit schematic of the breakout boards]]<br />
*This board contains:<br />
**A spot to plug in the NU32v2 with some prototyping area<br />
**The optical isolation circuit with some prototyping area, the same size as the NU32v2 breakout board so it can be stacked on top<br />
**8 SFH310 with LED breakout boards<br />
**4 SFH310 with laser diode breakout boards<br />
**1 LIS352AX accelerometer breakout board<br />
**1 LSM303DHL tilt-compensated compass breakout board<br />
**1 LPY550AL gyroscope breakout board<br />
**1 LS7366R encoder decoder breakout board<br />
**1 TCS3103 color sensor breakout board<br />
*How to use the boards:<br />
**[[Image:nu32v2_breakoutboard.jpg|thumb|500px|Solder female header pins to the NU32v2 Breakout Board so that you can plug in and remove your NU32v2|center]]<br />
**[[Image:nu32v2_opticalisolationbreakoutboard.jpg|thumb|500px|Solder sockets to the Optically Isolated Motor Board so you can remove burnt out chips|center]]<br />
**[[Image:nu32v2_phototransistorbreakoutboards.jpg|thumb|500px|The LED and Laser Phototransistor breakout boards will make it easier to attach wires to the sensors|center]]<br />
**[[Image:nu32v2_stackedboards.jpg|thumb|500px|You can stack the NU32v2 breakout board with the Optically Isolated board|center]]<br />
<br />
'''Brochure for 2011'''<br />
*[[Media:DC2011_brochure.pdf|Brochure for 2011]]<br />
<br />
==Previous Years==<br />
<br />
Wiki pages on sensors, actuators, programming, and microcontrollers: use pages below<br />
<br><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/QuickStart/ Parts in the DC2008 quick start pack]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/piccintro_2008-01-24.pdf PIC C intro slides, as presented 2008/01/24 (pdf)]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/picinterfacing_2008-01-28.pdf PIC interfacing slides, as presented 2008/01/28 (pdf)]<br />
* <b>[http://peshkin.mech.northwestern.edu/pic/code Link to all sample PIC code here.]</b><br />
<br><br />
<br />
<h3>Sensors and actuators for DC</h3><br />
* [[Using Solderless Breadboard|Solderless Breadboard & wiring that works]]<br />
* [[Using LEDs & IREDs]]<br />
* [[Using a laser]]<br />
* [[Sensing optical tape|Infrared reflectivity]]<br />
** Using phototransistors<br />
** Sensing optical tape<br />
* [[Comparators | Comparators : the analog digital interface]]<br />
* [http://www.robotroom.com/FaulhaberGearmotor.html Faulhaber MiniMotor SA gearmotor with encoder], as well as [[Actuators_Available_in_the_Mechatronics_Lab#Faulhaber_1524E006S_motor_with_141:1_gearhead_and_HES164A_magnetic_quadrature_encoder|the local wiki page]]<br />
* [[Adding a magnetic encoder to a GM3 Gearmotor]]<br />
** Using magnetic switches (Hall Effect)<br />
* [[High-current devices|Driving high-current devices: several options]]<br />
* [[Driving a Stepper Motor]]<br />
* [[Driving an RC Servo]]<br />
* [[Accelerometers]]<br />
* [[Strain gauges]]<br />
* [[Using the Basic Stamp Microcontroller|Basic Stamp Microcontroller]] <b>Not recommended for DC2008</b><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/Battery_NiMH/ NiMH rechargable batteries and chargers]<br />
<br />
<h3> [http://peshkin.mech.northwestern.edu/datasheets Prof. Peshkin's favorite datasheets]</h3><br />
<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Northwestern_Design_Competition&diff=22145Northwestern Design Competition2013-04-25T03:20:04Z<p>TristanSokol: /* DC2013 */</p>
<hr />
<div>==DC2013==<br />
Spring Quarter Schedule<br />
* '''Workshop 6''' - H-Bridges, DC motor control, wheel sensing<br />
** Wed, 4/3/2013, 6pm in mechatronics lab<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:encoder.docx | Encoder template]]<br />
<br />
* '''Milestone 6''' - Wheel control<br />
** '''Meeting in the mechatronics lab at 6pm 4/17'''<br />
** Demo due by 4/17/2013<br />
** Press the USER button, and the wheel rotates 180 degrees<br />
<br />
* '''Milestone 7''' - Complete chassis<br />
**[[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
** Demo due by 4/24/2013<br />
** Demo your chassis<br />
<br />
* '''Milestone 8''' - Driving and sensing the world<br />
** Demo due by 5/1/2013<br />
** Demo your robot driving around the arena and sensing things<br />
<br />
* '''Milestone 9''' - Identify prey and drive towards them<br />
** Demo due by 5/8/2013<br />
** Demo your robot chasing Prey<br />
<br />
* '''Milestone 10''' - Operational robot, demo for E-Week<br />
** Demo due by 5/15/2013, demo at E-Week in Tech lobby<br />
** Show how your robot works<br />
<br />
* '''COMPETITION!!!!'''<br />
** 5/18/2013, Noon in the machine shop<br />
<br />
Useful things:<br />
* Arena and breakout board<br />
** [[Media:DC2013breakout_eagle.zip | Breakout board EAGLE files]]<br />
[[File:http://hades.mech.northwestern.edu/images/d/da/DC2013arena.jpg|200px|thumb|left|alt text]]<br />
** [[Media:DC2013arena.pdf | DC2013arena.pdf]]<br />
* Write-ups<br />
** [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]]<br />
** [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]]<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
* Code<br />
** [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]]<br />
** [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
<br />
* NU32<br />
** Download: MPLAB X IDE and MPLAB XC32 Compiler from [http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads]<br />
** Download: FTDI Drivers from [http://www.ftdichip.com/Drivers/VCP.htm http://www.ftdichip.com/Drivers/VCP.htm]<br />
** Download: NU32_Utility from [[NU32:_Software_to_Install]]<br />
* NU32 from 2012<br />
** We have a lot of left over boards from 2012 but you have to use NU32_Utility_v5 from [[NU32:_Software_to_Install]]<br />
** and [[Media:NU32_2012.c| NU32_2012.c]], [[Media:NU32_2012.h | NU32_2012.h]] instead of NU32.c and NU32.h<br />
<br />
Winter 2013 Schedule<br />
* '''Workshop 1''' - Prey robot deconstruction<br />
** Tue, 1/15/2013, 6pm, Ford B100<br />
<br />
* '''Milestone 1''' - Prey robot -> Demobot<br />
** Due by Wed, 1/23/2013<br />
** Show off your Demobot, made from a deconstructed Prey robot '''DONE!'''<br />
<br />
* '''Workshop 2''' - Programming the PIC32<br />
** Begin Wed, 1/23/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32<br />
** Sample code - [[Media:NU32test.hex | NU32test.hex]], [[Media:SimplePIC.c | SimplePIC.c]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]], [[Media:talkingPIC.c | talkingPIC.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]]<br />
<br />
* '''Milestone 2''' - Programming the PIC32<br />
** Due by Wed, 1/30/2013<br />
** Code Template: [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** Complete the assignment here: [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 3''' - Programming the PIC32<br />
** Begin Wed, 1/30/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32, sensors and actuators, soldering<br />
** Sample code - [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
<br />
* '''Milestone 3''' - Programming the PIC32, sensors and actuators<br />
** '''Due by Wed, 2/6/2013'''<br />
** Potentiometers, phototransistors, RC servos, ultrasonic distance sensors<br />
** Complete the assignment here: [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 4''' - Using the laser cutter<br />
** Begin Wed, 2/6/2013<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
<br />
* '''Milestone 4''' - Laser cutter training<br />
** '''Due By Wed, 2/20/2013'''<br />
** Get trained on the laser cutter<br />
** Design and build a robot gripper or mechanism '''DONE!'''<br />
<br />
* '''Workshop 5''' - RC servo and Laser detection<br />
** Begin Wed, 2/13/2013, '''at 6pm in the mechatronics lab'''<br />
** How to use a laser to detect retroreflective tape<br />
** How to buffer and analyse data<br />
** Combining the laser and RC servo to make a moving sensor<br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
<br />
* '''Milestone 5''' - Target hunting<br />
** '''Due by Wed, 2/20/2013'''<br />
** Mount the laser on the servo<br />
** Sweep the laser, find the target, and point at it '''DONE!'''<br />
<br />
<br />
<br />
'''Reading week 6/11-5, finals week 6/18-22, break 3/25-29'''<br />
<br />
==DC2012==<br />
Scale arena:<br />
[[Image:DC2012Arena.png|thumb|500px|Dimensions of the arena for 2012|center]]<br />
'''Equipment'''<br />
*NU32, USB cable, 6V power supply<br />
*2 drive motors, 2 motor mounts, 2 wheels<br />
*large and small RC servos<br />
*red and IR lasers<br />
*12"x24"x0.118" clear acrylic sheets<br />
*AA batteries and packs<br />
<br />
'''PCB'''<br />
[[Image:DC2012PCBlayout.png|thumb|500px|The PCB breakout for DC2012|center]]<br />
[[Media:DC2012PCBSchematic.pdf | Schematic of PCB for 2012]]<br />
<br />
[[Image:DC2012SheetMetalCutter.png|thumb|500px|Use the straight cut sheet metal cutter to slice up the PCB|center]]<br />
[[Image:DC2012CuttingThePCB.png|thumb|500px|Like this|center]]<br />
[[Image:DC2012CutUpPCB.png|thumb|500px|So that you separate all the boards|center]]<br />
[[Image:DC2012FemaleHeader.png|thumb|500px|Use female header pins to attach the NU32. The headers come is sets of 20 pins, so you will have to cut one up.|center]]<br />
[[Image:DC2012LaserPCB.png|thumb|500px|Attach lasers with hot glue|center]]<br />
[[Image:DC2012LEDPCB.png|thumb|500px|Note the orientation of the LED an phototransistor, they are polarized!|center]]<br />
<br />
'''Workshop 1, Wednesday 1/18 5:30-7pm Tech L221, makeup Thursday 1/19 9-11am Mechatronics Lab'''<br />
*How to program in MPLABX<br />
*How to use the bootloader to put code on the NU32<br />
*Digital output I/O (read a button and flash an LED)<br />
*Analog input<br />
*PWM output<br />
*Sample code:[[Media:DC2012_Workshot1.zip | Sample code for Workshop 1]]<br />
'''Milestone 1, due by 1/27'''<br />
*If a pushbutton is pressed, read the value of a potentiometer and change the brightness of an LED to the corresponding value with PWM<br />
'''Workshop 2, Thursday 2/9 6-7pm Tech L221, makeup Friday 2/10 9-11am Mechatronics Lab'''<br />
*Optical isolation for motors and RC servos<br />
*Powering a motor with an h-bridge<br />
*Writing to the 16x2 character LCD<br />
*Laser detection of retroreflective tape / Optical line detection<br />
*2 1/2D design<br />
'''Milestone 2, Due week of Feb 27'''<br />
*Optically isolate a motor<br />
*Read a potentiometer and write its voltage to the LCD<br />
*Control the motor velocity based on the potentiometer reading<br />
*Control an RC servo<br />
*Detect a 3/4" wide black line on white paper with a phototransistor and LED<br />
'''Laser cutting Workshop, Week of Apr 2'''<br />
*Laser cutting<br />
*2.5D design<br />
*Making a chassis, mounting motors and sensors<br />
'''Chassis Milestone, Due Apr 13'''<br />
*Demonstrate a robot chassis that can drive around the arena, bonus points for following a line, detecting and moving towards the moving goals, and detecting and moving towards a crate<br />
'''Midterm Milestone, Due Apr 30 / May 1 / May 2'''<br />
*Demonstrate some strategy - from the starting position, go get a crate and bring to back towards the goal<br />
'''Pre-competition Milestone, Due May 9'''<br />
*Demonstrate some advanced strategy - score several points<br />
'''Competition May 19!'''<br />
<br />
==DC2011==<br />
'''Milestone 1'''<br />
*On a button press, read the value of a potentiometer and change the brightness of an LED accordingly using PWM. '''Note:''' Do not use an h-bridge or motor as previously assigned.<br />
*Due before Workshop 2 on Wed, 2/9.<br />
*[[Media:NU32v2_DC2011_workshop1.zip | Sample code from Workshop 1]]<br />
'''Milestone 2'''<br />
*Due before Workshop 3 on Wed, 2/23.<br />
*Goals:<br />
**Use code from [[NU32v2: Nokia 5110 LCD]] and [[NU32v2: Analog Input]] to read a potentiometer and print the voltage to the Nokia 5110<br />
**Optically isolate a motor and control its velocity based on the potentiometer reading<br />
**Do 1 of the following:<br />
***Mount a phototransistor to a laser and detect a cake '''OR'''<br />
***Detect a line of electrical tape on white paper with an optoreflector<br />
*Datasheets<br />
**[[Media:HBridge_L293D.pdf|HBridge_L293D.pdf]] - H-bridge for driving a DC motor<br />
**[[Media:Optocoupler_A847.pdf|Optocoupler_A847.pdf]] - Optocoupler to optically isolate your H-bridge<br />
**[[Media:HexInverter_74HC04.pdf|HexInverter_74HC04.pdf]] - Inverting chip to digitize optocoupler output<br />
**[[Media:Optoreflector_OPB740.pdf|Optoreflector_OPB740.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Optoreflector_QRE1113.pdf|Optoreflector_QRE1113.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Phototransistor_SFH310.pdf|Phototransistor_SFH310.pdf]] - Phototransistor to detect lines, color, or laser reflections<br />
*Notes<br />
**[[Media:DC2011_WS2_OpticalIsolation.pdf|DC2011_WS2_OpticalIsolation.pdf]] - How to optically isolate an h-bridge and servo motor using the A847 and 74HC04<br />
**[[Media:DC2011_WS2_OpticalSensors.pdf|DC2011_WS2_OpticalSensors.pdf]] - How to use the SFH310 to detect a cake and use the OPB740 or QRE1113 for line following<br />
**[[Media:DC2011_WS2_Code.zip|DC2011_WS2_Code.zip]] - Example code for the NU32v2 that will:<br />
***Control a DC motor hooked up to an optically isolated h-bridge, and control an optically isolated RC servo motor<br />
***Respond to serial commands to control the motors, write to the Nokia 5110, and read two analog signals<br />
<br />
'''Milestone 4'''<br />
*Due before Wed, 3/16<br />
*Finish laser training, at least one person per team<br />
*Construct a prototype chassis for your robot<br />
*Do one of the following:<br />
**Follow part of the line on the 36" x 96" printout of [[Media:DC2011LineFOllowing.pdf|this pdf]]<br />
**Detect a cake somewhere on the floor and drive to it<br />
<br />
'''Breakout Boards'''<br />
*[[Media:DC2011Breakouts.pdf|Image of the breakout boards]]<br />
*[[Media:DC2011BreakoutsSchematic.pdf|Circuit schematic of the breakout boards]]<br />
*This board contains:<br />
**A spot to plug in the NU32v2 with some prototyping area<br />
**The optical isolation circuit with some prototyping area, the same size as the NU32v2 breakout board so it can be stacked on top<br />
**8 SFH310 with LED breakout boards<br />
**4 SFH310 with laser diode breakout boards<br />
**1 LIS352AX accelerometer breakout board<br />
**1 LSM303DHL tilt-compensated compass breakout board<br />
**1 LPY550AL gyroscope breakout board<br />
**1 LS7366R encoder decoder breakout board<br />
**1 TCS3103 color sensor breakout board<br />
*How to use the boards:<br />
**[[Image:nu32v2_breakoutboard.jpg|thumb|500px|Solder female header pins to the NU32v2 Breakout Board so that you can plug in and remove your NU32v2|center]]<br />
**[[Image:nu32v2_opticalisolationbreakoutboard.jpg|thumb|500px|Solder sockets to the Optically Isolated Motor Board so you can remove burnt out chips|center]]<br />
**[[Image:nu32v2_phototransistorbreakoutboards.jpg|thumb|500px|The LED and Laser Phototransistor breakout boards will make it easier to attach wires to the sensors|center]]<br />
**[[Image:nu32v2_stackedboards.jpg|thumb|500px|You can stack the NU32v2 breakout board with the Optically Isolated board|center]]<br />
<br />
'''Brochure for 2011'''<br />
*[[Media:DC2011_brochure.pdf|Brochure for 2011]]<br />
<br />
==Previous Years==<br />
<br />
Wiki pages on sensors, actuators, programming, and microcontrollers: use pages below<br />
<br><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/QuickStart/ Parts in the DC2008 quick start pack]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/piccintro_2008-01-24.pdf PIC C intro slides, as presented 2008/01/24 (pdf)]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/picinterfacing_2008-01-28.pdf PIC interfacing slides, as presented 2008/01/28 (pdf)]<br />
* <b>[http://peshkin.mech.northwestern.edu/pic/code Link to all sample PIC code here.]</b><br />
<br><br />
<br />
<h3>Sensors and actuators for DC</h3><br />
* [[Using Solderless Breadboard|Solderless Breadboard & wiring that works]]<br />
* [[Using LEDs & IREDs]]<br />
* [[Using a laser]]<br />
* [[Sensing optical tape|Infrared reflectivity]]<br />
** Using phototransistors<br />
** Sensing optical tape<br />
* [[Comparators | Comparators : the analog digital interface]]<br />
* [http://www.robotroom.com/FaulhaberGearmotor.html Faulhaber MiniMotor SA gearmotor with encoder], as well as [[Actuators_Available_in_the_Mechatronics_Lab#Faulhaber_1524E006S_motor_with_141:1_gearhead_and_HES164A_magnetic_quadrature_encoder|the local wiki page]]<br />
* [[Adding a magnetic encoder to a GM3 Gearmotor]]<br />
** Using magnetic switches (Hall Effect)<br />
* [[High-current devices|Driving high-current devices: several options]]<br />
* [[Driving a Stepper Motor]]<br />
* [[Driving an RC Servo]]<br />
* [[Accelerometers]]<br />
* [[Strain gauges]]<br />
* [[Using the Basic Stamp Microcontroller|Basic Stamp Microcontroller]] <b>Not recommended for DC2008</b><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/Battery_NiMH/ NiMH rechargable batteries and chargers]<br />
<br />
<h3> [http://peshkin.mech.northwestern.edu/datasheets Prof. Peshkin's favorite datasheets]</h3><br />
<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Northwestern_Design_Competition&diff=22144Northwestern Design Competition2013-04-25T03:19:12Z<p>TristanSokol: /* DC2013 */</p>
<hr />
<div>==DC2013==<br />
Spring Quarter Schedule<br />
* '''Workshop 6''' - H-Bridges, DC motor control, wheel sensing<br />
** Wed, 4/3/2013, 6pm in mechatronics lab<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:encoder.docx | Encoder template]]<br />
<br />
* '''Milestone 6''' - Wheel control<br />
** '''Meeting in the mechatronics lab at 6pm 4/17'''<br />
** Demo due by 4/17/2013<br />
** Press the USER button, and the wheel rotates 180 degrees<br />
<br />
* '''Milestone 7''' - Complete chassis<br />
**[[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
** Demo due by 4/24/2013<br />
** Demo your chassis<br />
<br />
* '''Milestone 8''' - Driving and sensing the world<br />
** Demo due by 5/1/2013<br />
** Demo your robot driving around the arena and sensing things<br />
<br />
* '''Milestone 9''' - Identify prey and drive towards them<br />
** Demo due by 5/8/2013<br />
** Demo your robot chasing Prey<br />
<br />
* '''Milestone 10''' - Operational robot, demo for E-Week<br />
** Demo due by 5/15/2013, demo at E-Week in Tech lobby<br />
** Show how your robot works<br />
<br />
* '''COMPETITION!!!!'''<br />
** 5/18/2013, Noon in the machine shop<br />
<br />
Useful things:<br />
* Arena and breakout board<br />
** [[Media:DC2013breakout_eagle.zip | Breakout board EAGLE files]]<br />
[[File:http://hades.mech.northwestern.edu/index.php/File:DC2013arena.jpg|200px|thumb|left|alt text]]<br />
** [[Media:DC2013arena.pdf | DC2013arena.pdf]]<br />
* Write-ups<br />
** [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]]<br />
** [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]]<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:DC2013_hbridge_motors.pdf | How to use an h-bridge and a DC motor]]<br />
** [[Media:DC2013_3dprinting_design.pdf | How to design parts that can be 3D printed]] <br />
* Code<br />
** [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]]<br />
** [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
** [[Media:workshop6.c | workshop6.c - drive a DC motor using PWM with an h-bridge and sense its position with a reflectance sensor]]<br />
<br />
* NU32<br />
** Download: MPLAB X IDE and MPLAB XC32 Compiler from [http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads http://www.microchip.com/pagehandler/en-us/family/mplabx/#downloads]<br />
** Download: FTDI Drivers from [http://www.ftdichip.com/Drivers/VCP.htm http://www.ftdichip.com/Drivers/VCP.htm]<br />
** Download: NU32_Utility from [[NU32:_Software_to_Install]]<br />
* NU32 from 2012<br />
** We have a lot of left over boards from 2012 but you have to use NU32_Utility_v5 from [[NU32:_Software_to_Install]]<br />
** and [[Media:NU32_2012.c| NU32_2012.c]], [[Media:NU32_2012.h | NU32_2012.h]] instead of NU32.c and NU32.h<br />
<br />
Winter 2013 Schedule<br />
* '''Workshop 1''' - Prey robot deconstruction<br />
** Tue, 1/15/2013, 6pm, Ford B100<br />
<br />
* '''Milestone 1''' - Prey robot -> Demobot<br />
** Due by Wed, 1/23/2013<br />
** Show off your Demobot, made from a deconstructed Prey robot '''DONE!'''<br />
<br />
* '''Workshop 2''' - Programming the PIC32<br />
** Begin Wed, 1/23/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32<br />
** Sample code - [[Media:NU32test.hex | NU32test.hex]], [[Media:SimplePIC.c | SimplePIC.c]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]], [[Media:talkingPIC.c | talkingPIC.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]]<br />
<br />
* '''Milestone 2''' - Programming the PIC32<br />
** Due by Wed, 1/30/2013<br />
** Code Template: [[Media:DC2013_Milestone2.c| DC2013_Milestone2.c]], [[Media:NU32.c| NU32.c]], [[Media:NU32.h | NU32.h]], [[Media:NU32bootloaded.ld | NU32bootloaded.ld]]<br />
** Complete the assignment here: [[Media:DC2013milestone2.pdf | DC2013milestone2.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 3''' - Programming the PIC32<br />
** Begin Wed, 1/30/2013, meeting in the Mechatronics lab at 6pm<br />
** How to program the PIC32 on the NU32, sensors and actuators, soldering<br />
** Sample code - [[Media:DC2013_milestone3.c| DC2013_milestone3.c]]<br />
<br />
* '''Milestone 3''' - Programming the PIC32, sensors and actuators<br />
** '''Due by Wed, 2/6/2013'''<br />
** Potentiometers, phototransistors, RC servos, ultrasonic distance sensors<br />
** Complete the assignment here: [[Media:DC2013milestone3.pdf | DC2013milestone3.pdf]] '''DONE!'''<br />
<br />
* '''Workshop 4''' - Using the laser cutter<br />
** Begin Wed, 2/6/2013<br />
** [[Media:DC2013_laser_cutter_design.pdf | How to design parts that can be made on the laser cutter]] <br />
<br />
* '''Milestone 4''' - Laser cutter training<br />
** '''Due By Wed, 2/20/2013'''<br />
** Get trained on the laser cutter<br />
** Design and build a robot gripper or mechanism '''DONE!'''<br />
<br />
* '''Workshop 5''' - RC servo and Laser detection<br />
** Begin Wed, 2/13/2013, '''at 6pm in the mechatronics lab'''<br />
** How to use a laser to detect retroreflective tape<br />
** How to buffer and analyse data<br />
** Combining the laser and RC servo to make a moving sensor<br />
** [[Media:workshop5.dxf | workshop5.dxf - parts that mount the laser, sensors and servo]] for reference<br />
** [[Media:workshop5.c | workshop5.c - sweep the servo when the user button is pressed, save the data to an array]]<br />
<br />
* '''Milestone 5''' - Target hunting<br />
** '''Due by Wed, 2/20/2013'''<br />
** Mount the laser on the servo<br />
** Sweep the laser, find the target, and point at it '''DONE!'''<br />
<br />
<br />
<br />
'''Reading week 6/11-5, finals week 6/18-22, break 3/25-29'''<br />
<br />
==DC2012==<br />
Scale arena:<br />
[[Image:DC2012Arena.png|thumb|500px|Dimensions of the arena for 2012|center]]<br />
'''Equipment'''<br />
*NU32, USB cable, 6V power supply<br />
*2 drive motors, 2 motor mounts, 2 wheels<br />
*large and small RC servos<br />
*red and IR lasers<br />
*12"x24"x0.118" clear acrylic sheets<br />
*AA batteries and packs<br />
<br />
'''PCB'''<br />
[[Image:DC2012PCBlayout.png|thumb|500px|The PCB breakout for DC2012|center]]<br />
[[Media:DC2012PCBSchematic.pdf | Schematic of PCB for 2012]]<br />
<br />
[[Image:DC2012SheetMetalCutter.png|thumb|500px|Use the straight cut sheet metal cutter to slice up the PCB|center]]<br />
[[Image:DC2012CuttingThePCB.png|thumb|500px|Like this|center]]<br />
[[Image:DC2012CutUpPCB.png|thumb|500px|So that you separate all the boards|center]]<br />
[[Image:DC2012FemaleHeader.png|thumb|500px|Use female header pins to attach the NU32. The headers come is sets of 20 pins, so you will have to cut one up.|center]]<br />
[[Image:DC2012LaserPCB.png|thumb|500px|Attach lasers with hot glue|center]]<br />
[[Image:DC2012LEDPCB.png|thumb|500px|Note the orientation of the LED an phototransistor, they are polarized!|center]]<br />
<br />
'''Workshop 1, Wednesday 1/18 5:30-7pm Tech L221, makeup Thursday 1/19 9-11am Mechatronics Lab'''<br />
*How to program in MPLABX<br />
*How to use the bootloader to put code on the NU32<br />
*Digital output I/O (read a button and flash an LED)<br />
*Analog input<br />
*PWM output<br />
*Sample code:[[Media:DC2012_Workshot1.zip | Sample code for Workshop 1]]<br />
'''Milestone 1, due by 1/27'''<br />
*If a pushbutton is pressed, read the value of a potentiometer and change the brightness of an LED to the corresponding value with PWM<br />
'''Workshop 2, Thursday 2/9 6-7pm Tech L221, makeup Friday 2/10 9-11am Mechatronics Lab'''<br />
*Optical isolation for motors and RC servos<br />
*Powering a motor with an h-bridge<br />
*Writing to the 16x2 character LCD<br />
*Laser detection of retroreflective tape / Optical line detection<br />
*2 1/2D design<br />
'''Milestone 2, Due week of Feb 27'''<br />
*Optically isolate a motor<br />
*Read a potentiometer and write its voltage to the LCD<br />
*Control the motor velocity based on the potentiometer reading<br />
*Control an RC servo<br />
*Detect a 3/4" wide black line on white paper with a phototransistor and LED<br />
'''Laser cutting Workshop, Week of Apr 2'''<br />
*Laser cutting<br />
*2.5D design<br />
*Making a chassis, mounting motors and sensors<br />
'''Chassis Milestone, Due Apr 13'''<br />
*Demonstrate a robot chassis that can drive around the arena, bonus points for following a line, detecting and moving towards the moving goals, and detecting and moving towards a crate<br />
'''Midterm Milestone, Due Apr 30 / May 1 / May 2'''<br />
*Demonstrate some strategy - from the starting position, go get a crate and bring to back towards the goal<br />
'''Pre-competition Milestone, Due May 9'''<br />
*Demonstrate some advanced strategy - score several points<br />
'''Competition May 19!'''<br />
<br />
==DC2011==<br />
'''Milestone 1'''<br />
*On a button press, read the value of a potentiometer and change the brightness of an LED accordingly using PWM. '''Note:''' Do not use an h-bridge or motor as previously assigned.<br />
*Due before Workshop 2 on Wed, 2/9.<br />
*[[Media:NU32v2_DC2011_workshop1.zip | Sample code from Workshop 1]]<br />
'''Milestone 2'''<br />
*Due before Workshop 3 on Wed, 2/23.<br />
*Goals:<br />
**Use code from [[NU32v2: Nokia 5110 LCD]] and [[NU32v2: Analog Input]] to read a potentiometer and print the voltage to the Nokia 5110<br />
**Optically isolate a motor and control its velocity based on the potentiometer reading<br />
**Do 1 of the following:<br />
***Mount a phototransistor to a laser and detect a cake '''OR'''<br />
***Detect a line of electrical tape on white paper with an optoreflector<br />
*Datasheets<br />
**[[Media:HBridge_L293D.pdf|HBridge_L293D.pdf]] - H-bridge for driving a DC motor<br />
**[[Media:Optocoupler_A847.pdf|Optocoupler_A847.pdf]] - Optocoupler to optically isolate your H-bridge<br />
**[[Media:HexInverter_74HC04.pdf|HexInverter_74HC04.pdf]] - Inverting chip to digitize optocoupler output<br />
**[[Media:Optoreflector_OPB740.pdf|Optoreflector_OPB740.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Optoreflector_QRE1113.pdf|Optoreflector_QRE1113.pdf]] - Optoreflector to detect lines or color<br />
**[[Media:Phototransistor_SFH310.pdf|Phototransistor_SFH310.pdf]] - Phototransistor to detect lines, color, or laser reflections<br />
*Notes<br />
**[[Media:DC2011_WS2_OpticalIsolation.pdf|DC2011_WS2_OpticalIsolation.pdf]] - How to optically isolate an h-bridge and servo motor using the A847 and 74HC04<br />
**[[Media:DC2011_WS2_OpticalSensors.pdf|DC2011_WS2_OpticalSensors.pdf]] - How to use the SFH310 to detect a cake and use the OPB740 or QRE1113 for line following<br />
**[[Media:DC2011_WS2_Code.zip|DC2011_WS2_Code.zip]] - Example code for the NU32v2 that will:<br />
***Control a DC motor hooked up to an optically isolated h-bridge, and control an optically isolated RC servo motor<br />
***Respond to serial commands to control the motors, write to the Nokia 5110, and read two analog signals<br />
<br />
'''Milestone 4'''<br />
*Due before Wed, 3/16<br />
*Finish laser training, at least one person per team<br />
*Construct a prototype chassis for your robot<br />
*Do one of the following:<br />
**Follow part of the line on the 36" x 96" printout of [[Media:DC2011LineFOllowing.pdf|this pdf]]<br />
**Detect a cake somewhere on the floor and drive to it<br />
<br />
'''Breakout Boards'''<br />
*[[Media:DC2011Breakouts.pdf|Image of the breakout boards]]<br />
*[[Media:DC2011BreakoutsSchematic.pdf|Circuit schematic of the breakout boards]]<br />
*This board contains:<br />
**A spot to plug in the NU32v2 with some prototyping area<br />
**The optical isolation circuit with some prototyping area, the same size as the NU32v2 breakout board so it can be stacked on top<br />
**8 SFH310 with LED breakout boards<br />
**4 SFH310 with laser diode breakout boards<br />
**1 LIS352AX accelerometer breakout board<br />
**1 LSM303DHL tilt-compensated compass breakout board<br />
**1 LPY550AL gyroscope breakout board<br />
**1 LS7366R encoder decoder breakout board<br />
**1 TCS3103 color sensor breakout board<br />
*How to use the boards:<br />
**[[Image:nu32v2_breakoutboard.jpg|thumb|500px|Solder female header pins to the NU32v2 Breakout Board so that you can plug in and remove your NU32v2|center]]<br />
**[[Image:nu32v2_opticalisolationbreakoutboard.jpg|thumb|500px|Solder sockets to the Optically Isolated Motor Board so you can remove burnt out chips|center]]<br />
**[[Image:nu32v2_phototransistorbreakoutboards.jpg|thumb|500px|The LED and Laser Phototransistor breakout boards will make it easier to attach wires to the sensors|center]]<br />
**[[Image:nu32v2_stackedboards.jpg|thumb|500px|You can stack the NU32v2 breakout board with the Optically Isolated board|center]]<br />
<br />
'''Brochure for 2011'''<br />
*[[Media:DC2011_brochure.pdf|Brochure for 2011]]<br />
<br />
==Previous Years==<br />
<br />
Wiki pages on sensors, actuators, programming, and microcontrollers: use pages below<br />
<br><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/QuickStart/ Parts in the DC2008 quick start pack]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/piccintro_2008-01-24.pdf PIC C intro slides, as presented 2008/01/24 (pdf)]<br />
* [http://peshkin.mech.northwestern.edu/pic/info/picinterfacing_2008-01-28.pdf PIC interfacing slides, as presented 2008/01/28 (pdf)]<br />
* <b>[http://peshkin.mech.northwestern.edu/pic/code Link to all sample PIC code here.]</b><br />
<br><br />
<br />
<h3>Sensors and actuators for DC</h3><br />
* [[Using Solderless Breadboard|Solderless Breadboard & wiring that works]]<br />
* [[Using LEDs & IREDs]]<br />
* [[Using a laser]]<br />
* [[Sensing optical tape|Infrared reflectivity]]<br />
** Using phototransistors<br />
** Sensing optical tape<br />
* [[Comparators | Comparators : the analog digital interface]]<br />
* [http://www.robotroom.com/FaulhaberGearmotor.html Faulhaber MiniMotor SA gearmotor with encoder], as well as [[Actuators_Available_in_the_Mechatronics_Lab#Faulhaber_1524E006S_motor_with_141:1_gearhead_and_HES164A_magnetic_quadrature_encoder|the local wiki page]]<br />
* [[Adding a magnetic encoder to a GM3 Gearmotor]]<br />
** Using magnetic switches (Hall Effect)<br />
* [[High-current devices|Driving high-current devices: several options]]<br />
* [[Driving a Stepper Motor]]<br />
* [[Driving an RC Servo]]<br />
* [[Accelerometers]]<br />
* [[Strain gauges]]<br />
* [[Using the Basic Stamp Microcontroller|Basic Stamp Microcontroller]] <b>Not recommended for DC2008</b><br />
* [http://www.mech.northwestern.edu/courses/433/Writeups/Battery_NiMH/ NiMH rechargable batteries and chargers]<br />
<br />
<h3> [http://peshkin.mech.northwestern.edu/datasheets Prof. Peshkin's favorite datasheets]</h3><br />
<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=File:DC2013arena.jpg&diff=22143File:DC2013arena.jpg2013-04-25T03:18:15Z<p>TristanSokol: </p>
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<div></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=File:DC2013arena.svg&diff=22142File:DC2013arena.svg2013-04-25T03:16:45Z<p>TristanSokol: </p>
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<div></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=File:DC2013arena.png&diff=22141File:DC2013arena.png2013-04-25T03:06:14Z<p>TristanSokol: </p>
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<div></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21416Node.js2012-07-02T18:36:05Z<p>TristanSokol: </p>
<hr />
<div><br />
<br />
'''Node.js''' is a software system designed for writing scalable Internet applications, notably web servers. Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries. For more information, try checking out the wikipedia page about Node.js [http://en.wikipedia.org/wiki/Nodejs]<br />
<br />
__TOC__ <br />
<br />
==Installing Node.js==<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> <br />
6. '''Thats it! You win!'''<br />
<br />
===Windows===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21415Installing Node.js2012-07-02T18:35:42Z<p>TristanSokol: Blanked the page</p>
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<div></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21414Node.js2012-07-02T18:35:09Z<p>TristanSokol: /* Node.js */</p>
<hr />
<div><br />
<br />
'''Node.js''' is a software system designed for writing scalable Internet applications, notably web servers. Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries. For more information, try checking out the wikipedia page about Node.js [http://en.wikipedia.org/wiki/Nodejs]<br />
<br />
__TOC__ <br />
<br />
==[[Installing Node.js]]==<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> <br />
6. '''Thats it! You win!'''<br />
<br />
===Windows===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21413Installing Node.js2012-07-02T16:54:34Z<p>TristanSokol: </p>
<hr />
<div><br />
Make sure you check out the [[Node.js]] page as well.<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> <br />
6. '''Thats it! You win!'''<br />
<br />
==Windows==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21412Installing Node.js2012-07-02T16:54:00Z<p>TristanSokol: </p>
<hr />
<div><br />
Make sure you check out the [[Node.js Node.js page as well]].<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> <br />
6. '''Thats it! You win!'''<br />
<br />
==Windows==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br></div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21411Installing Node.js2012-07-02T16:38:05Z<p>TristanSokol: </p>
<hr />
<div><br />
Make sure you check out the [[Node.js Node.js page as well]].<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> <br />
This will give you the two command line instructions '''node''' and '''npm'''</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21410Installing Node.js2012-07-02T16:37:51Z<p>TristanSokol: </p>
<hr />
<div><br />
Make sure you check out the [[Node.js Node.js page as well]].<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br> This will give you the two command line instructions '''node''' and '''npm'''</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21409Installing Node.js2012-07-02T16:37:43Z<p>TristanSokol: </p>
<hr />
<div><br />
Make sure you check out the [[Node.js Node.js page as well]].<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br><br />
This will give you the two command line instructions '''node''' and '''npm'''</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21408Installing Node.js2012-07-02T16:36:00Z<p>TristanSokol: </p>
<hr />
<div><br />
{{Other uses|Monospace (disambiguation)}}<br />
<br />
Make sure you check out the [[Node.js Node.js page as well]].<br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5. install node.js <br><br />
This will give you the two command line instructions '''node''' and '''npm'''</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21407Installing Node.js2012-07-02T16:29:52Z<p>TristanSokol: </p>
<hr />
<div><br />
==Mac==<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21406Installing Node.js2012-07-02T16:29:42Z<p>TristanSokol: </p>
<hr />
<div><br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21405Installing Node.js2012-07-02T16:29:30Z<p>TristanSokol: </p>
<hr />
<div><br />
== Installing Node.js ==<br />
<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21404Installing Node.js2012-07-02T16:29:16Z<p>TristanSokol: </p>
<hr />
<div><br />
== Installing Node.js ==<br />
<br />
----<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br><br />
3. Select the package appropriate for your system<br><br />
4. Open the .pkg you just downloaded<br><br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21403Installing Node.js2012-07-02T16:29:02Z<p>TristanSokol: </p>
<hr />
<div><br />
== Installing Node.js ==<br />
<br />
----<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage] <br><br />
2. Click Download<br />
3. Select the package appropriate for your system<br />
4. Open the .pkg you just downloaded<br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Installing_Node.js&diff=21402Installing Node.js2012-07-02T16:28:44Z<p>TristanSokol: Created page with " == Installing Node.js == ---- ===Mac=== 1. Go to [http://nodejs.org/ The Node.js webpage] 2. Click Download 3. Select the package appropriate for your system 4. Open the .pk..."</p>
<hr />
<div><br />
== Installing Node.js ==<br />
<br />
----<br />
===Mac===<br />
1. Go to [http://nodejs.org/ The Node.js webpage]<br />
2. Click Download<br />
3. Select the package appropriate for your system<br />
4. Open the .pkg you just downloaded<br />
5.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21401Node.js2012-07-02T16:26:08Z<p>TristanSokol: </p>
<hr />
<div><br />
== Node.js ==<br />
<br />
----<br />
<br />
'''Node.js''' is a software system designed for writing scalable Internet applications, notably web servers. Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries. For more information, try checking out the wikipedia page about Node.js [http://en.wikipedia.org/wiki/Nodejs]<br />
<br />
__TOC__ <br />
<br />
===[[Installing Node.js]]===</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21400Node.js2012-07-02T16:24:25Z<p>TristanSokol: </p>
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<div><br />
== Node.js ==<br />
<br />
----<br />
<br />
'''Node.js''' is a software system designed for writing scalable Internet applications, notably web servers. Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries. For more information, try checking out the wikipedia page about Node.js [http://en.wikipedia.org/wiki/Nodejs]<br />
<br />
[[===Installing Node.js===]]</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21399Node.js2012-07-02T16:18:08Z<p>TristanSokol: </p>
<hr />
<div><br />
== Node.js ==<br />
<br />
----<br />
<br />
'''Node.js''' is a software system designed for writing scalable Internet applications, notably web servers. Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries. For more information, try checking out the [wikipedia page about Node.js][http://en.wikipedia.org/wiki/Nodejs]</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21398Node.js2012-07-02T16:15:40Z<p>TristanSokol: </p>
<hr />
<div><br />
== Node.js ==<br />
<br />
----<br />
<br />
Node.js is a software system designed for writing scalable Internet applications, notably web servers.] Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability. Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21397Node.js2012-07-02T16:14:46Z<p>TristanSokol: </p>
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<div>Node.js is a software system designed for writing scalable Internet applications, notably web servers.[1] Programs are written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability.[2] Node.js consists of Google's V8 JavaScript engine, libUV, and several built-in libraries.</div>TristanSokolhttps://hades.mech.northwestern.edu//index.php?title=Node.js&diff=21396Node.js2012-07-02T16:12:53Z<p>TristanSokol: Created page with "Node js!"</p>
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<div>Node js!</div>TristanSokol