The idea comes, because I'm traveling and i forget my voltmeter in another home, and i'm really needing one. But my Arduino kit aways are with me and with a few minutes I made my voltmeter.Necessary items:-An arduino board -Resistores -LCD 16x2(optionally) - Wires -Batteries to measure - A little m...By: papafigo
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from Instructables: exploring - technology - robots http://ift.tt/1EFafg7
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