This powerful motor control was found in a Philips publication from 1970. The components are from that time and the circuit was designed for the 220/240 V power grid.
We find this ultra-simple transmitter circuit that is nothing more than a very short range RF...
Found in an American documentation from 1968, this circuit senses the temperature through an...
The integrated circuit used in this circuit is from the time of publication. The circuit is from a...