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 can handle 25 A unde a 32 V voltage using a hight power old transistor. This...
This circuit uses one of two D-type flip-flops available on an integrated circuit 4013. The...
This simple CMOS touch switch was obtained in a 1987 publication. All components are common and the...