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Circuits designed by David Johnson, P.E.
Last Updated on: Wednesday, November 30, 2011 03:59 PM

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More  Control Circuits    Motor Control Circuits
PWM Circuits      Timer Circuits

555 Timer Forms Simple PWM Motor Controller

Using a CMOS version of the 555 timer, this circuit can be used to control the speed of a motor by adjusting the duty cycle of the pulses sent to the motor.

Click on Drawing Below to view PDF version of Schematic

Circuit Simplr PWM Controller Circuit designed by Dave Johnson, P.E. (June 30, 2006)

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PWM Circuits      Timer Circuits

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