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.
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
This is an RF amplification step for small signals using the common base configuration. The...
In the figure we have the way to use a 4017 as a sequencer controlled by a microcontroller. With...