Various meters based on the Siemens UAA 170 LED voltmeter IC have previously been featured in Elektor (issue 12, April 1976 and issue 17, September 1976). This article describes a voltmeter circuit ...

The project is a 4-digit LED voltmeter and frequency counter that was previously based on PIC16C71 but was replaced by 28-pin device PIC16F876. The PIC16F876 is capable of driving 4-digit LED in ...

This circuit is centered around the ICL7107, a single-chip digital voltmeter with features an integrated 3.1 7-segment LED display driver. MY purpose designing and building this was to use it in my ...

Here is a Simple LED Volt meter to Monitor the charge level in Lead Acid Battery or Tubular battery. The terminal voltage of the battery is indicated through a four level LED indicators. The nominal ...

Murata Power Solutions’ low-power, high brightness, three-and-a-half digit, DMS-20PC digital panel voltmeters are now available with ‘brilliant blue’ or ‘pure green’ LED colours in addition to the ...