Found in a 1980s English magazine, this trigger circuit can have different types of inputs depending on the sensor and type of action on the controlled load.
This circuit was taken from a Popular Electronics from January 1967. Transistors are from the...
Found in a 1967 publication by General Electric, this SCR circuit generates voltages of 120 VAC at...
The critical point in this project is the adjustment of the optical system, mainly to avoid...