Quantity   Component name
1 × Current sensor https://www.controleverything.com/content/Current?sku=PECMAC430A_OPCT16AL
1 × https://www.controleverything.com/content/I2C-Master?sku=ANI2C Arduino I2C shield
1 × Atmega32 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based MicrocontrollersAtmel
1 × Atmega128 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers