you may use an isolation transformer ( like a current transformer and the output can be rectified , conditioned and it can be converted by ADC in the chip and a look uptable canperhaps do the rest
you may use an isolation transformer ( like a current transformer and the output can be rectified , conditioned and it can be converted by ADC in the chip and a look uptable canperhaps do the rest
Regards,
Sarma
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