555 Servo Circuit - Revision history

Hwang at 07:32, 20 March 2009

2009-03-20T07:32:49Z

← Older revision		Revision as of 02:32, 20 March 2009
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	[[Category:Circuits]]		[[Category:Circuits]]
			See also:[[555_Timer]]

	This page describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.		This page describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.

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	[[image:555 servo photo.jpg\|center]]		[[image:555 servo photo.jpg\|center]]
			<nowiki>Insert non-formatted text here</nowiki>

2006-07-27T22:12:02Z

← Older revision		Revision as of 17:12, 27 July 2006
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	[[Category:Circuits]]		[[Category:Circuits]]
	This page describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.		This page describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.

	==Circuit Construction==

	Two 555 timers are used to create the servo control signal. The pinout for the LM555 is shown below:		Two 555 timers are used to create the servo control signal. The pinout for the LM555 is shown below:

2006-07-27T22:11:50Z

← Older revision		Revision as of 17:11, 27 July 2006
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	[[Category:Circuits]]		[[Category:Circuits]]
		⚫	This page describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.

⚫	This ~~paper~~ describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.

	==Circuit Construction==		==Circuit Construction==

2006-07-27T22:11:32Z

← Older revision		Revision as of 17:11, 27 July 2006
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	[[Category:Circuits]]		[[Category:Circuits]]
	==Introduction==

	This paper describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.		This paper describes how to build a circuit for driving an RC Servo motor. It uses two LM555 IC’s to create the pulse train that drives the motor. For an RC Servo, the width of the “high” pulse determines the angle of the rotor. Sample values for creating a working circuit are given.

2006-07-27T22:11:10Z

Circuit Construction

← Older revision		Revision as of 17:11, 27 July 2006
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	Here is a picture of a circuit built using parts in the lab. I replaced Rc with a 10kOhm resistor and a 10k POT to allow some ~~adjustability~~.		Here is a picture of a circuit built using parts in the lab. I replaced Rc with a 10kOhm resistor and a 10k POT to allow some fine tuning.

	[[image:555 servo photo.jpg]]		[[image:555 servo photo.jpg\|center]]

2006-07-27T22:10:36Z

Circuit Construction

← Older revision		Revision as of 17:10, 27 July 2006
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	\| 4.4 \|\| ~4.0 \|\| ~2.375 \|\| Other end		\| 4.4 \|\| ~4.0 \|\| ~2.375 \|\| Other end
	\|}		\|}

			Here is a picture of a circuit built using parts in the lab. I replaced Rc with a 10kOhm resistor and a 10k POT to allow some adjustability.

			[[image:555 servo photo.jpg]]

2006-06-27T16:13:18Z

Circuit Construction

← Older revision		Revision as of 11:13, 27 June 2006
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	Two 555 timers are used to create the servo control signal. The pinout for the LM555 is shown below:		Two 555 timers are used to create the servo control signal. The pinout for the LM555 is shown below:

	[[image:555_pinout.jpg\|center~~\|thumb~~\|250px]]		[[image:555_pinout.jpg\|center\|250px]]

	The first 555 timer creates a clock signal at our desired frequency. The circuit for this is shown below:		The first 555 timer creates a clock signal at our desired frequency. The circuit for this is shown below:

2006-06-09T19:36:51Z

← Older revision		Revision as of 14:36, 9 June 2006
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	[[Category:Circuits~~]][[Category:Actuators~~]]		[[Category:Circuits]]
	==Introduction==		==Introduction==

2006-05-30T16:49:46Z

← Older revision		Revision as of 11:49, 30 May 2006
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		⚫	[[Category:Circuits]][[Category:Actuators]]
	==Introduction==		==Introduction==

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	\| 4.4 \|\| ~4.0 \|\| ~2.375 \|\| Other end		\| 4.4 \|\| ~4.0 \|\| ~2.375 \|\| Other end
	\|}		\|}


⚫	[[Category:Circuits]]

2006-05-25T19:12:58Z

← Older revision		Revision as of 14:12, 25 May 2006
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	Using the values given in this document, you will get the following relationship:		Using the values given in this document, you will get the following relationship:

	{\| class="wikitable" align="center" style="text-align:center;width:400px" border="1"		{\| class="wikitable" align="center" style="text-align:center;width:400px" border="0"
	\|-		\|-
	! Analog In (V) !! Control Voltage (V) !! Pulse Width (ms) !! Servo Position		! Analog In (V) !! Control Voltage (V) !! Pulse Width (ms) !! Servo Position