How to measure ac current using opamp.

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sahu

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need the schematics used to measure ac current on low side using opamp and the output of the opamp is fed to the analog input pin of the micro controller & display its result on ssd or lcd
 

sahu said:
need the schematics used to measure ac current on low side using opamp and the output of the opamp is fed to the analog input pin of the micro controller & display its result on ssd or lcd
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You wrote nothing about the current or AC frequency. Convert AC current to voltage by a suitable resistor, then measure the voltage as needed.
 

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