Compatible with UNO/Leonardo/NUCLEO development boards
With RS485 function, the transceiver is SP3485/MAX3485, 3.3V power supply
With CAN function, the transceiver is SN65HVD230, 3.3V power supply
When using for Leonardo, the CAN function is unavailable due to hardware limitation
Please note that RS485 CAN Shield can only use 3.3V power supply