The idea of this circuit is that when the device in SO1 is turned on, the device connected to SO2 automatically receives power. The circuit is from Radio Electronics from January 1985.
This simple PWM circuit was found in the March 1991 issue of Radio Electronics magazine. The...
Found in documentation from the 1960s, this circuit uses general purpose transistors that can...
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...