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 interface was found in a Modern Electronics magazine from 1990. Although the circuit is...
We found this circuit in a 1981 publication. We applied an audio signal, for example, a music...
In a voltage follower, the voltage gain is unitary, the input impedance is very high, and the...