This TV remote control receiver uses a ratchet system to activate an old drum-type selector to change channels. A common system at the time. The circuit is from a Radio Electronics from February 1961.
This high power transceiver provides a few watts of output thus enabling long distance...
More inputs can be added to this adder that we found in the January 1995 Electronics Now magazine....
This circuit generates a train of pulses that depends on the time that is pressed PB and the value of...