Created by
Created March 01, 2012
Last modified March 01, 2012
Tags 555   bjt   motor   pwm  

Summary

Build a PWM motor controller for $0.50! Based on danielfiction's circuit (link inside).


Description

Started with danielfiction's "555 motor cotnroller": and made a few changes to make it simulate.

Try running a time-domain simulation. Look at the motor current plot and you can clearly see the difference between the two potentiometer settings shown in the parameter sweep.


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