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.
The circuit suggested by National Semiconductor mows signals from a peak determined by the...
Photoelectric cells can be used as sensitive light sensors. However, the low voltage they generate...
The LM150, 250 and 350 series of 3 A are manufactured by several semiconductor industries that...