2 layers50 × 50 mmATM90E36 Breakoutwhatnick/ATM90E36_Breakout_KiCADKiCAD port of ATM90E36 Breakout PCB75 parts1
4 layers85.3 × 54.2 mmBluetooth DevBoardGodOfStrategy/Bluetooth-DevboradA custom devboard with bluetooth63 partsMIT