This commercial clock circuit was found in the August 1976 issue of Radio Electronics magazine. The circuit uses a period module and includes power from a special transformer.
The simple speed control for DC motors shown in the figure can control loads up to 2 amps. The...
This circuit, which can generate voltages up to 25 V, was found in the December 1992 issue of...
This circuit in a receiver that allows the capture of distant stations with short waves. The...