Touch sensor with LM555 - How do we build a touch sensor?

Touch sensor with LM555 - How do we build a touch sensor?

Reading time: <1 minut The project is based on the LM555 integrated circuit. For this application IC1 works in monostable mode. The mounting input is connected to terminal 2 of the LM555 integrated circuit. Here we have the "touch sensor" designed from a wire, or from a "fork" type route. Basically, when we touch the wire, or the "fork" route, the K1 relay is activated.