MCU board: change interconnect connectors to SMD type
Suggested types
The type series (adjust type according to required pin counts)
- https://www.tme.eu/cz/details/zl301-2x40p/konektory-hrebinky/ninigi/
- https://www.tme.eu/cz/details/zl264-40dg/konektory-hrebinky/ninigi/
The connector on the power board can be through-hole for better stiffness but it would be problematic if the cooler is mounted by screws in the board edges.