This circuit was found in an old GE SCR manual. The SCR must be in accordance with the relay and transformer as well.
This 1-transistor oscillator circuit was found in the March 1965 Radio Electronics magazine. The...
This circuit shows how to control a power load using a low current switch. The circuit is half...
This circuit shows how it is possible to control 9 loads with only 6 Triacs using the matrix...