This circuit supplies a load at SO1 when the load at SO2 is powered. The circuit is from a Popular Electronics from the 90s. Diodes and triacs must match the loads.
This circuit was obtained in a manual for radio amateurs from 1975. It is a circuit that allows the...
Suitable for battery powered microcontrolled applications this Texas Instruments circuit from its...
This circuit was found in a 1980s documentation. The low voltage circuit uses a PUT. Transistors can...