Digital-touch-on-off-switch

  
Only one LED can be on when the circuit is at rest. Which LED is illuminated is determined by the touch pick-up that last had human contact. Pickup terminal A controls the on condition of LEDl, and terminal B controls the on condition of LED2.
Digital-touch-on-off-switch - schematic

A 4001 quad two-input NOR gate is connected in an anti-bounce latching circuit that is activated by touching a pickup.




Leave Comment

characters left:

New Circuits

.