How to make a mini Voltmeter

How to make a mini Voltmeter - I am using voltmeter 0-32v : https://goo.gl/aw3Xf9 - 9v battery and connect - ON/OFF Switch, Piece of wood Thanks for watching, Have a great day ! -------------------------------------------- Song: Tobu - Roots [NCS Release] Music provided by NoCopyrightSounds. Video Link: https://www.seevid.ir/fa/w/7wNb0pHyGuI Artist: Tobu • https://soundcloud.com/7obu • https://www.facebook.com/tobuofficial • https://twitter.com/tobuofficial • https://www.seevid.ir/c/tobuofficial

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