3-phase AC measuring circuit without transformer

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pradeepdeepu

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Hello,
i want measure 3-phase voltage through Arduino pro-mini please suggest me a circuit without transformer
 

Hi,

There are already so much threads about this topic.
Read through them.

Klaus
 

In addition, you need to specify in the search if you want take the Peak or the RMS voltage, although by mentioning Arduino it suggests the simplest option.
 

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