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6-DOF PPOD - Revision history
2024-03-28T17:41:59Z
Revision history for this page on the wiki
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https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17837&oldid=prev
JonathanDrake: /* Mechanical Design */
2010-03-18T22:29:08Z
<p><span dir="auto"><span class="autocomment">Mechanical Design</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:29, 18 March 2010</td>
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<td class="diff-context diff-side-deleted"><div>== Mechanical Design ==</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-left" title="Paragraph was moved. Click to jump to new location." href="#movedpara_3_12_rhs">⚫</a></td>
<td class="diff-deletedline diff-side-deleted"><div><a name="movedpara_2_0_lhs"></a>There are two main mechanical components to our PPOD—the base and the disk. The base is a 20 inch diameter disk made of <del class="diffchange diffchange-inline">¼”</del> thick acrylic. This is where the speakers and electrical components are attached. There are 3 speakers used for vertical motion and 3, on shelves attached to the disk, used for horizontal motion. The motion of the speakers is transferred to the disk, the vibrating surface, through a series of mechanical connections:<br><br></div></td>
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<td class="diff-addedline diff-side-added"><div>===Construction===</div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-right" title="Paragraph was moved. Click to jump to old location." href="#movedpara_2_0_lhs">⚫</a></td>
<td class="diff-addedline diff-side-added"><div><a name="movedpara_3_12_rhs"></a>There are two main mechanical components to our PPOD—the base and the disk. The base is a 20 inch diameter disk made of <ins class="diffchange diffchange-inline">1/4"</ins> thick acrylic. This is where the speakers and electrical components are attached. There are 3 speakers used for vertical motion and 3, on shelves attached to the disk, used for horizontal motion. The motion of the speakers is transferred to the disk, the vibrating surface, through a series of mechanical connections:<br><br></div></td>
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<td class="diff-context diff-side-deleted"><div><li>1/2" diameter rod is superglued to the interior cavity of the speaker</li></div></td>
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<td class="diff-context diff-side-deleted"><div>The accelerometers are attached to 1x1x1 inch cubes of solid acrylic that are glued to the underside of the disk. There are three accelerometers attached to the table. The accelerometer mount side of the cube has four holes drilled into each corner to screw the accelerometer board into place. A notch was milled out of the surface for the solder tips, allowing the accelerometer to be flush with the surface of the cube ensuring an accurate reading. </div></td>
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<td class="diff-context diff-side-added"><div>The accelerometers are attached to 1x1x1 inch cubes of solid acrylic that are glued to the underside of the disk. There are three accelerometers attached to the table. The accelerometer mount side of the cube has four holes drilled into each corner to screw the accelerometer board into place. A notch was milled out of the surface for the solder tips, allowing the accelerometer to be flush with the surface of the cube ensuring an accurate reading. </div></td>
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<td class="diff-deletedline diff-side-deleted"><div>The disk is 11.5 inch in diameter cut from quarter inch thick acrylic. The speaker attachments are all 60 degrees apart, alternating between vertical and horizontal speakers. All speakers are attached in a symmetrical pattern ensuring the accuracy of the calibration program and the force patterns on the surface. Acrylic was chosen for all the components because of its workability in the Ford machine shop and for its ability to be glued together quite easily.<del class="diffchange diffchange-inline"> </del></div></td>
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<td class="diff-addedline diff-side-added"><div>The disk is 11.5 inch in diameter cut from quarter inch thick acrylic. The speaker attachments are all 60 degrees apart, alternating between vertical and horizontal speakers. All speakers are attached in a symmetrical pattern ensuring the accuracy of the calibration program and the force patterns on the surface. Acrylic was chosen for all the components because of its workability in the Ford machine shop and for its ability to be glued together quite easily.</div></td>
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<td class="diff-context diff-side-deleted"><div>== Circuit Design ==</div></td>
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JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17836&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:25:06Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:25, 18 March 2010</td>
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<td class="diff-context diff-side-deleted"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND LM741] general purpose op-amp</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND LM741] general purpose op-amp</li></div></td>
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<td class="diff-context diff-side-deleted"><div><li>Speaker Amp: [http://www.national.com/ds/LM/LM1875.pdf LM1875] 20W Audio Power Amplifier</li></div></td>
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<td class="diff-context diff-side-added"><div><li>Speaker Amp: [http://www.national.com/ds/LM/LM1875.pdf LM1875] 20W Audio Power Amplifier</li></div></td>
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<td class="diff-context diff-side-deleted"><div><li> Accelerometer: [http://www.analog.com/en/mems/low-g-accelerometers/adxl325/products/product.html ADXL325] 3-AXIS ±5 G</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li> Accelerometer: [http://www.analog.com/en/mems/low-g-accelerometers/adxl325/products/product.html ADXL325] 3-AXIS ±5 G</li></div></td>
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<td class="diff-context diff-side-deleted"><div><li>Speakers: generic 6 ohm, 2" diameter (INSERT SPEAKER SPECs, link)</li></div></td>
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<td class="diff-context diff-side-added"><div><li>Speakers: generic 6 ohm, 2" diameter (INSERT SPEAKER SPECs, link)</li></div></td>
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JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17835&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:24:15Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:24, 18 March 2010</td>
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<td class="diff-addedline diff-side-added"><div>This list is for a 1 speaker, 1 accelerometer setup. Each PIC can theoretically handle 2 speakers.</div></td>
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JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17834&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:23:24Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:23, 18 March 2010</td>
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<td class="diff-context diff-side-deleted"><div><li>Speaker Amp: [http://www.national.com/ds/LM/LM1875.pdf LM1875] 20W Audio Power Amplifier</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>Speaker Amp: [http://www.national.com/ds/LM/LM1875.pdf LM1875] 20W Audio Power Amplifier</li></div></td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li> Accelerometer: [http://www.analog.com/en/mems/low-g-accelerometers/adxl325/products/product.html ADXL325] 3-AXIS ±5 G</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li> Accelerometer: [http://www.analog.com/en/mems/low-g-accelerometers/adxl325/products/product.html ADXL325] 3-AXIS ±5 G</li></div></td>
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<td class="diff-addedline diff-side-added"><div><li>Speakers: generic 6 ohm, 2" diameter (INSERT SPEAKER SPECs, link)</li></div></td>
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JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17833&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:22:16Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:22, 18 March 2010</td>
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<td class="diff-context diff-side-deleted"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
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<td class="diff-context diff-side-added"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND LM741] general purpose op-amp</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND LM741] general purpose op-amp</li></div></td>
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<td class="diff-addedline diff-side-added"><div><li>Speaker Amp: [http://www.national.com/ds/LM/LM1875.pdf LM1875] 20W Audio Power Amplifier</li></div></td>
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<td class="diff-addedline diff-side-added"><div><li> Accelerometer: [http://www.analog.com/en/mems/low-g-accelerometers/adxl325/products/product.html ADXL325] 3-AXIS ±5 G</li></div></td>
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JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17832&oldid=prev
JonathanDrake: /* Circuit Design */
2010-03-18T22:19:30Z
<p><span dir="auto"><span class="autocomment">Circuit Design</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:19, 18 March 2010</td>
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<td class="diff-context diff-side-deleted"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
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<td class="diff-context diff-side-added"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
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<td class="diff-context diff-side-deleted"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
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<td class="diff-deletedline diff-side-deleted"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND<del class="diffchange diffchange-inline">|</del>LM741] general purpose op-amp</li></div></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND<ins class="diffchange diffchange-inline"> </ins>LM741] general purpose op-amp</li></div></td>
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<td class="diff-context diff-side-deleted"><div><li></li></div></td>
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</table>
JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17831&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:18:34Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:18, 18 March 2010</td>
</tr><tr>
<td colspan="2" class="diff-lineno">Line 40:</td>
<td colspan="2" class="diff-lineno">Line 40:</td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
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<td class="diff-context diff-side-added"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
</tr>
<tr>
<td class="diff-marker" data-marker="−"></td>
<td class="diff-deletedline diff-side-deleted"><div><li>Unity Gain Buffer: <del class="diffchange diffchange-inline">[</del>[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND|LM741<del class="diffchange diffchange-inline">]</del>] general purpose op-amp</li></div></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div><li>Unity Gain Buffer: [http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND|LM741] general purpose op-amp</li></div></td>
</tr>
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</table>
JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17830&oldid=prev
JonathanDrake: /* Parts List */
2010-03-18T22:18:14Z
<p><span dir="auto"><span class="autocomment">Parts List</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:18, 18 March 2010</td>
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<td colspan="2" class="diff-lineno">Line 39:</td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
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<tr>
<td colspan="2" class="diff-empty diff-side-deleted"></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div><li>Low-Pass Filter: 66K resistor, 0.01uF capacitor</li></div></td>
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<td class="diff-marker" data-marker="−"></td>
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<td colspan="2" class="diff-empty diff-side-deleted"></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div><li>Unity Gain Buffer: [[http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=LM741CNFS-ND|LM741]] general purpose op-amp</li></div></td>
</tr>
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<td class="diff-marker" data-marker="−"></td>
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</table>
JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17829&oldid=prev
JonathanDrake: /* Circuit Design */
2010-03-18T22:16:40Z
<p><span dir="auto"><span class="autocomment">Circuit Design</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:16, 18 March 2010</td>
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<td colspan="2" class="diff-lineno">Line 31:</td>
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<td class="diff-context diff-side-deleted"><div>[[Image:Jd-cr-Full-schematic.jpg|thumb|Full schematic, showing PIC, LPF, Buffer, Amplifier, and Accelerometer]]</div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div>[[Image:Jd-cr-Full-schematic.jpg|thumb|Full schematic, showing PIC, LPF, Buffer, Amplifier, and Accelerometer]]</div></td>
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<tr>
<td colspan="2" class="diff-empty diff-side-deleted"></td>
<td class="diff-marker"><a class="mw-diff-movedpara-right" title="Paragraph was moved. Click to jump to old location." href="#movedpara_6_0_lhs">⚫</a></td>
<td class="diff-addedline diff-side-added"><div><a name="movedpara_1_0_rhs"></a>The PIC32 controls the entire system. We will explain the circuit, following the path from PIC to speaker, for one speaker. Theoretically, if our project was extended, 6 speakers would be included, but we concentrated on a proof of concept with one speaker subsystem. </div></td>
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<tr>
<td class="diff-marker"><a class="mw-diff-movedpara-left" title="Paragraph was moved. Click to jump to new location." href="#movedpara_3_1_rhs">⚫</a></td>
<td class="diff-deletedline diff-side-deleted"><div><a name="movedpara_2_0_lhs"></a>Parts List<del class="diffchange diffchange-inline">:</del></div></td>
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<td class="diff-marker"><a class="mw-diff-movedpara-right" title="Paragraph was moved. Click to jump to old location." href="#movedpara_2_0_lhs">⚫</a></td>
<td class="diff-addedline diff-side-added"><div><a name="movedpara_3_1_rhs"></a><ins class="diffchange diffchange-inline">===</ins>Parts List<ins class="diffchange diffchange-inline">=== </ins></div></td>
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<tr>
<td colspan="2" class="diff-empty diff-side-deleted"></td>
<td class="diff-marker" data-marker="+"></td>
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<tr>
<td colspan="2" class="diff-empty diff-side-deleted"></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div>Items with * indicate setup for 1 speaker. Multiply by 6 for full configuration.</div></td>
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<tr>
<td colspan="2" class="diff-empty diff-side-deleted"></td>
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<td class="diff-addedline diff-side-added"><br /></td>
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<td class="diff-context diff-side-added"><div><ul></div></td>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
<td class="diff-marker"></td>
<td class="diff-context diff-side-added"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32|NU32 board]] configuration</li></div></td>
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<td class="diff-addedline diff-side-added"><div>===Build the Circuit===</div></td>
</tr>
<tr>
<td class="diff-marker"><a class="mw-diff-movedpara-left" title="Paragraph was moved. Click to jump to new location." href="#movedpara_1_0_rhs">⚫</a></td>
<td class="diff-deletedline diff-side-deleted"><div><a name="movedpara_6_0_lhs"></a>The PIC32 controls the entire system. We will explain the circuit, following the path from PIC to speaker, for one speaker. Theoretically, if our project was extended, 6 speakers would be included, but we concentrated on a proof of concept with one speaker subsystem. </div></td>
<td colspan="2" class="diff-empty diff-side-added"></td>
</tr>
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<td class="diff-marker"></td>
<td class="diff-context diff-side-deleted"><br /></td>
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<td class="diff-context diff-side-deleted"><div><ol></div></td>
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</table>
JonathanDrake
https://hades.mech.northwestern.edu//index.php?title=6-DOF_PPOD&diff=17828&oldid=prev
JonathanDrake: /* Circuit Design */
2010-03-18T22:14:46Z
<p><span dir="auto"><span class="autocomment">Circuit Design</span></span></p>
<table class="diff diff-contentalign-left diff-editfont-monospace" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:14, 18 March 2010</td>
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<td colspan="2" class="diff-lineno">Line 33:</td>
<td colspan="2" class="diff-lineno">Line 33:</td>
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<td class="diff-context diff-side-deleted"><div>Parts List:</div></td>
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<td class="diff-context diff-side-added"><div>Parts List:</div></td>
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<td class="diff-marker"></td>
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<td class="diff-marker" data-marker="−"></td>
<td class="diff-deletedline diff-side-deleted"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32<del class="diffchange diffchange-inline"> </del>NU32 board]] configuration</li></div></td>
<td class="diff-marker" data-marker="+"></td>
<td class="diff-addedline diff-side-added"><div><li>PIC32MX460F512L, in [[Introduction_to_the_PIC32<ins class="diffchange diffchange-inline">|</ins>NU32 board]] configuration</li></div></td>
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JonathanDrake