This circuit was found in a 1999 publication. Its purpose is to flash two LEDs according to the sound of an equipment and to randomly flash three LEDs at a controlled frequency
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
This simple regenerative receiver for the medium wave range is from a 1956 Sylvania publication. Details...
This bidirectional motor control was found in an 80's Electronic Engineering. The circuit uses a...