Main components

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Part NumberDescription
INA226High-Side or Low-Side Measurement, Bi-Directional Current and Power Monitor (0-36V) with I2C Compatible Interface, VSSOP-10
ATmega328P-A20MHz, 32kB Flash, 2kB SRAM, 1kB EEPROM, TQFP-32

power schematic

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power board layout

power PCB render

Top PCB
Bottom PCB