Quantity   Component name
1 × ESP32-S3 The beloved and ubiquitous
1 × ADE7953 Semiconductors and Integrated Circuits / Misc. Semiconductors and Integrated Circuits
1 × HLK-PM03 Compact and universal AC to DC (3.3 V) power supply
1 × CD74HC4067 Switches and Multiplexers / Analog Switches and Multiplexers
1 × Audio jack 3.5mm Easily connect up to 17 CTs without the need to screw anything
1 × Current Transformers Any CT with 333mV output (currently using 30A and 50A)