0-10V Voltage Monitor


This project is a 0-10V Voltage Monitor.

0-10V Volt monitor project has been designed around LM3914 IC, It is an easy and less expensive project which instantly visualizes voltage level. The project is based on the popular LM3194 IC from Texas instruments. Handy 0-10V DC Voltmeter can be used as a voltage tester.

Voltage Monitor

The LM3914 senses the voltage level at the input pin and drives the 10 light emitting diodes based on the voltage detected on input connector. Circuit works on 12V DC. J1 Jumper is used to select the DOT mode or bar graph mode.

Input: 12 VDC @ 100 mA
Output: 10 LED’s
2 Types of display – Bar and Dot selectable by a jumper
Very low current consumption, typical 100mA
Header pins for connection of power and voltage in
Four mounting holes of 3.2 mm each
PCB dimensions 31 mm x 74 mm


CN1 connections: VCC &GND: 0-10V variable input voltage supply
CN2 connections: VCC &GND – 12VDC power supply
J1 (Jumper): Open: Dot Mode & Close: Bar Mode

For more Details:  0-10V Voltage Monitor

This Post / Project can also be found using search terms:

  • arduino monitor dc voltage 0-10v
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