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Dave's Circuits
Circuits designed by David Johnson, P.E.

Master Category List - Dave's Circuits
 Last Updated on: Friday, August 29, 2008 02:34 PM


Control Circuits
 
Two Pushbutton Motor Controller
Two small pushbutton switches, a few diodes and two relays form a method to control on/off power to a brush motor as well as the motor direction.  The circuit was originally designed for a motorized lifting platform.

Click on Drawing Below to view PDF version of Schematic

Circuit Two Button Motor Controller designed by David A. Johnson, P.E. (May 25, 2005)

Control Circuits

 Master Schematic Category List - David A. Johnson, P.E.
 

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