Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR clocks. The transformer is of the commercial type of the time.
This circuit produces a pulse when the voltage in the regulator exceeds a certain value depending...
This transistorized shield also functions as a logic gate. The power supply can be in the range of 4.5...
The idea of this 2002 circuit is to turn on a coffee maker automatically at dawn. The sensor is an...