This circuit has more power than the previous one, since it includes a powerful transistorized stage. The circuit is from Radio Electronics from July 1985. It includes the power supply.
This game consists of a variation of the Nerve-Test with the difference that errors are indicated...
Found in a National Semiconductor manual from the 90's, this circuit uses components of the time,...
This bench power supply was found in Radio Electronics magazine from February 1962. The...