Using a period sensor, this circuit was found in the February 1986 issue of Radio Electronics magazine. The sensor is a Philips of the period.
Found with variations on this site, this circuit was taken from an American documentation from the...
This simple voltage regulator or stabilizer uses only two component and can source up to 100 mA to a...
May 2016 - It can be obtained from Mouser Electronics new display 1092 from VDC. The new LED...