The component used in this circuit is uncommon today, as the circuit was obtained from Motorola's Linear Databook of 1990. The circuit consists of a 5 V x 500 mA switched regulator.
Found in an old American publication, this article is suitable for incandescent lamps. SCRs can be of...
A bargraph or mobile bar indicator with 4 LEDs can be implemented by connecting the 4093 NAND...
This is an improved version of the previous circuit also found in the December 1990 Radio...