With a single LED on the scale, this voltmeter has low consumption. The circuit was found in the March 1992 issue of Radio Electronics magazine.
The Single-Chip MCP19122/3 Solution Offers Industry-Leading Flexibility A new Digitally Enhanced...
This circuit for ceramic cartridges was found in the March 1993 issue of Electronics Now magazine. Q1...
This circuit is from an English magazine of 1974, but can still be assembled with the replacement of...