Positive-triggered-touch-circuit  

Category:
Human Sensing Circuits
Added on
Jan 5, 2013
LED1 and LED2 indicators turn on and remain on, each time the circuit is triggered. During the timing cycle, U1 `s Q output at pin 10 becomes positive when the Q output at pin 11 becomes negative.
Positive-triggered-touch-circuit - schematic

The two LEDs can be removed and the Q and Q outputs at pins 10 and 11, respectively, can be used LED2 to trigger some other circuit.




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