0-10V Voltage Monitor

  • Rajkumar Sharma
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0-10V_Monitor_PIC

This project is a 0-10V Voltage Monitor.

Description

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.

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.

Specifications

  • 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

Connections

  • 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

Schematic

0-10V_Monitor_Circuit

Parts

0-10V_Monitor_BOM

Front Panel

0-10V_Monitor_face

PCB

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Ray Lewing

Do you have a 24vac supply model to monitor 0-10vdc

Jay Hughes

Best to read the TI Application Note and take special NOTE OF THE GROUNDING (at a common point) > http://www.ti.com/lit/ds/snvs761b/snvs761b.pdf <

Georges

Hello,

Would it be possible to change the design in order to monitor a range from 0 to 3v ?
Many thanks

wbotros

Hi there, is this an open-source hardware project ?

Thanks.

askbar habdul

Hello, do you have the  Schematic design specifications

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