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Suresh mano

Digital Ac voltmeter Using 7107

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You will need to convert your AC voltage to RMS voltage then feed it to ICL7107. Datasheet has such a circuit on page 14. I attaching it here for your reference. The connection to the display is as the second attachment.

ICL7107-AC-TO-DC.png

ICl7107-voltmeter-circuit.png

 

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