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 charger for a maximum current of 15 A was obtained from an American 80's schematics. The triac must...
This circuit is based on a Texas Instruments LinMOS integrated circuit consisting of an...
This circuit was obtained in a 1979 magazine, but it can be easily assembled today, as the...