This circuit turns a lamp on and off with alternate touches of a switch. Modern Darlingtons can be used. The charge can be another such as an LED or solenoid. The circuit is from General Electric's 1968 documentation.
This circuit turns a lamp on and off with alternate touches of a switch. Modern Darlingtons can be used. The charge can be another such as an LED or solenoid. The circuit is from General Electric's 1968 documentation.