This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a relaxation oscillator with unusual component. The relay must be sensitive.
This circuit simulates a multi-position switch using programming buttons. The circuit is from an...
In the figure we have 3 CMOS monostable circuits that can be used as anti-bounce switches. The...
In its original publication this circuit uses lamps but can be modified to use LEDs of any color,...