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Hi

I'm looking to monitor amp and voltage usage on a wire with a clamp type transformer sensor and M5stack tough device. I

I have been trying to use SCT-013 20AMP/1V clamp sensor without any success. The configuration of the sensor is as per the attached figure connecting it to the adc 36 pin and 3.3v supply and ground pins.

But not having much of a luck.

Is there any suggestion on the most cost effective and reliable method of monitoring 20 amps of power on a wire with minimal infrastructure, non invasive connection, using M5 stack tough device. I need specific suggestion on the use of clamp type sensor, code and wiring arrangements.

Thanks