• Harman Hack World Tips & Tricks

How to Make a Digital Voltmeter - DIY a mini Voltmeter

In this video, I made a mini voltmeter very easily with the help of household items. Actually, I was about to buy multimeter but instantly this idea struck my mind which could at least be used as a voltmeter.

Things Required:

  • Voltmeter Module ()

  • Switch ()

  • Battery ()

  • Wires ()

  • Nails ()

  • Tape ()


  1. First of all, you need a container that is available to you.

  2. Now, cut out the container measuring the voltmeter module.

  3. Similarly, make a cut out for the switch as well.

  4. We got the 3 terminals there, i.e. S, +, - as well.

  5. Attached one wire to each S and +, while connecting two wire to the -.

  6. Now, do all the connections as shown in the video.

  7. Now, everything is done. You can use it as well.

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