Millivoltmeter!

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jgu1
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Millivoltmeter!

Post by jgu1 »

Hi All!

I think someone, once made ​​an example with a millivolt meter and think it was Enaul. I have searched the forum but can not find it. Is there anyone here who can remember it and possibly know where it is. Or do I remember wrong. :roll:

Thank´s in advance

Jorgen
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kersing
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Re: Millivoltmeter!

Post by kersing »

Could http://www.matrixmultimedia.com/mmforum ... ter#p41291 be what you are looking for?
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Re: Millivoltmeter!

Post by jgu1 »

Hi Rene!

Yes, yes. Thank´s :D

Jorgen
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Re: Millivoltmeter!

Post by beambase »

If you need better accuracy or lower mV reading have a look at this circuit:

http://www.elektor.com/magazines/2013/j ... 4505.lynkx

It is easy to get it to work in Flowcode,I have some code if you are interested.

But if you choose this hardware it is important to have a vert clean 5V supply since any ripple or spikes will show in your measurements. I have added some extra filtering of the 5V supply to further increasethis. There are app notes from Microchip describing how to do this.
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