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.
G This neon lamp indicator was suggested by General Electric in 1970 documentation. Virtually any neon...
We found this circuit in a 90s Electronic Design. The circuit is based on a quadruple operational...
This circuit for photography uses was found in the Electronics Experimenter Handbook Special...