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.
We found this circuit in an Electronic Engineering from the 90s. It applies to any logical family....
The 8038 integrated circuit is not very common today. It is a circuit that generates signals of...
September 2017 - Can be purchased from Mouser Electronics Triacs with 20 A and 30 A currents...