Hello , I bought this panel to make Mod instead voltmeter.

How should I use it? I should add additional cable receiving power?

Those ones look to be self powered and could need something like 8v+

Where i need to conect him?

 

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you can try red to the read point, black to ground.

cheers

Not work

 

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try connection the red to the positive end of a 1.5v battery and the black to the negative end.

no reading then no work for oc

 

cheers

This voltmeter is not good for meaureing low voltage on gpu. Need voltmeter with 3 wire 1 ground 1 power for volt meter and one for Measurement and Measurement accuracy: 0.1%. Your voltmeter for car battery and something like that.

Ok ,thanks. I will order new one with 3 wire.

 

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Necessarily Measurement accuracy: 0.1%!

Do you have a link for good voltmeter with 3 wire?

 

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This is what you need to look for.

 

5pcs Mini Blue DC 0 30V LED Panel Voltmeter 3 Digital Display Voltage Meter | eBay

Thanks .

 

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After seeing the one with the 3 wire i realized thet i can measure 1 more wire to mine.

so , i do it and its work good.

its not look good with all this wires but for now it good for me.