Touch sensitive Button: File:Darlington LED touch Schaltplan
Wiring a Button (using a "pull up" resistor):
Wiring a Button (using a "pull down" resistor):
Attach a Touch sensitive button instead a mechanical Button:
Touch sensitive Button: File:Darlington LED touch Schaltplan
Wiring a Button (using a "pull up" resistor):
Wiring a Button (using a "pull down" resistor):
Attach a Touch sensitive button instead a mechanical Button: