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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


Capacitance Touch Switches
 
 5 VOLT MOMENTARY OPERATION TOUCH SWITCH
This simple circuit uses a single IC to form a nice touch switch circuit.  A single transistor forms the remote active switch sensor.  Multiple switches can be wired in parallel.  The switch circuit can be located about 500 feet from the control circuit.

Click on Drawing Below to view PDF version of Schematic

Circuit Touch Switch with Active Remote Circuit designed by David Johnson, P.E. (March 12, 2002)

Capacitance Touch Switches

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

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