This 80's circuit turns off a TV or other appliance after a set time. The base is a 555 IC and the relay is according the supply.
This circuit is from a Japanese magazine of 1973. The circuit is designed to withdraw the power...
This is an interesting sound effects circuit that uses only discrete components. Components are common...
This circuit causes a green LED to light up when we step on the brakes and the rear lamps to light...