Sunday, November 21, 2010

DC motor control with 556 timer


Using a 556 timer chip, control of a DC motor using PWM works well - this from the pages of MAKE: 23. Used to drive a Solarbotics gearbox motor, also excellent for changing timing delays and with 2 pots can adjust interval and also duration of pulses.
I used this to press the shutter button on a hacked Canon A70 camera for a timelapse camera.

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