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 sensitive touch circuit that triggers an oscillator uses only transistors. The circuit is...
This circuit was found in a 1967 EEE. The components are from that time, but the circuit can be...
This circuit of two transistors was found in a Japanese magazine in 1967. The transistors are made...