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.
This circuit was suggested by Analog Devices in its manual of linear integrated circuits. Many...
This circuit was found in a British documentation from 1969. It can be implemented with modern...
This circuit is from a 1992 publication, but can be mounted very easily today. The circuit is...