Using the LM3914 this unusual digital clock uses a Bargraph LED indicator. The LEDs are the segments of a 7-segment display. We found it in February 1980 Radio Electronics magazine.
This circuit is based entirely on SCRs. The circuit is from an American 80's documentation; and the PUTs...
Mouser Electronics counts on its stock with the new TAS6424-Q1 amplifiers from Texas Instruments....
This circuit is from a Popular Electronics from the 90s, consisting of a repeater relay for remote...