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.
The values of the indicated components in this circuit of a 1967 Electronics World, are for a...
This circuit was found in a Radio Electronics magazine from November 1991. The circuit operates at 2.2...
November 2016 - Texas Instruments' new TPS62135 and TPS621351 step-down converters with a wide...