Touch switch activated relay – source A very simple touch switch circuit diagram can be constructed using this circuit schematic . This circuit will turn on /off an electronic relay using the same ...

Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

This circuit and circuit diagram ... Switches can be added to a parallel circuit to turn components on and off. The position of switches in parallel circuit is important. If the switch is open ...