This 50% active cycle TTL clock generates signals from 4 to 20 Hz. Its power must be supplied with 5 V and other frequencies can be generated with capacitor replacement.
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...