This 4 1/2 digit digital voltmeter circuit was published in the April 1993 Electronics Now magazine. The circuit uses the integrated component of the time and has 5 voltage ranges.
We found this circuit in documentation from the 1980s. The integrated circuit used is uncommon today,...
This circuit was found in a 1970 IEEE publication. The circuit functions as a voltage controlled...
The tone generated by this bell changes when we press and release the switch. The circuit is from...