Main components

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Part NumberDescription
ISO7142CCDigital Isolator
AVR64DB64AVR MCU
FT230XSUSB / UART Bridge
LM358Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8
ULN2003
DRV8871H-Bridge with current limiting

Main Schematic schematic

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Main Schematic board layout

Main Schematic PCB render

Top PCB
Bottom PCB