Hello CAN Bus is still functional, and no problem. a question : is it possible to implement the use of 2 CAN Module on the same Gateway. 2 CAN bus or RS485 + CAN as for the RS485 in example for a Mega2560 board MyConfig.h ...... * Example: @code #define MY_RS485_HWSERIAL Serial1 @endcode */ //#define MY_RS485_HWSERIAL (Serial1)