We found this circuit in an old documentation. Its purpose is to turn on warning lights when the vehicle in a garage touches or passes a sensing bar preventing it from hitting the wall.
This circuit was found in the August 1992 issue of Radio Electronics magazine. The circuit can be...
This simple circuit with LDR was found in the Radio Electronics magazine of July 1992. Any...
Wien Bridge This Vienna bridge oscillator generates a sinusoidal signal whose frequency depends...