How To Make a Simple Battery Tester

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How to Make a super simple battery tester / voltmeter our of LEDs and resistors. Attached to an arduino, this DIY battery tester works amazing and is quick and easy to build.


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Комментарии
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1:18 That would destroy your LEDs. LEDs have a forward voltage of around 3V.

radio_electronics
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A microcontroller is anything but simple.

wowvideos
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It isn't working! The LED lights are supposed to be off after uploading the code. but LEDs are still on. Please guide.

jineshpatel
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This is more a voltmeter. Not really much of a battery tester...

VictorMMartin
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U should have used resistors for the LEDs, thats wrong way of connecting

CrazyCoupleDIY
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I killed 5 LEDs trying to make this when I tried testing them so don't use 3.3v or 5v when testing them

marcthompson
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How to make? Or what you made is more like it.

robertmccully
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WTH? 5 vots to an LED without a limiting resistor blows LED's rather quickly.I don't know how you had your Arduino set up but that is just common knowledge and I'm a noob. (Yes it baffled me when I saw it and went ahead and followed suit and blew up my LED) and I'm sorry but on another note this doesn't really tell me anything about a battery except it's current voltage... I have a multimeter for that.

petermead
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Always coding like "Greatscott!"

gracekingdom
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its NOT simple if you need an Arduino !!

anthonyhitchings
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The generic background music sucks. Every Indian maker uses that same music clip - everyone including me is sick of that music.

protektosafe
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this tutorial is not just a very simple!!!!

jomakimagtulis
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Simple, nope, try without the computer

ianharvey