This circuit was taken from the 1967 General Electric SCR Manual. The circuit can use virtually any unijunction and SCR according to load.
This experimental AM microphone was found in an Argentine publication from 1973. The recommended...
September 2017 - The Phoenix Contact Mini 7/8 - inch (7/8 inch) sensors and actuator cables can...
This circuit uses sunrise and sunset as a synchronization signal. The circuit is from Electronics Now...