--- description: reTermiXIAO CAN Bus Expansion Boardnal-FAQ title: Can I use multiple XIAO CAN Bus Expansion Boards in the same CAN bus network? #image: https://files.seeedstudio.com/wiki/wiki-platform/S-tempor.png slug: /multiple_in_the_same_CAN last_update: date: 6/30/2023 author: cheng.tang --- Yes, you can use multiple expansion boards in the same CAN bus network. Each expansion board should have a unique node ID assigned to it to ensure proper communication and avoid conflicts on the bus.