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 came out from the Linear Circuits Applications of Texas Instruments, based on the...
This 4-digit digital clock for hours and minutes with CMOS integrated circuits was found in a 1995...
This circuit takes advantage of the LC constant of a capacitor and the coil of a relay to...