Waveshare RS485 CAN Expansion Board for Jetson Nano, Digital Isolation, Built-In Protection Circuit 1. Standard 40PIN GPIO extension header, supports direct attaching to Jetson Nano 2. Onboard CAN controller MCP2515 via SPI interface, matching with SIT65HVD230DR transceiver 3. Features RS485 function, controlled via UART, half-duplex communication, supports automatic TXRX control without programming, onboard transceiver SP3485 4. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit for RS485 transceiving, light-ningproof & anti-electrostatic 5. Onboard digital isolation chip, safer signal isolation communication and better stability and anti-interference 6. Reserved control pins, allows to work with other control boards 7. Comes with development resources and manual (examples in python) Specifications 1. CAN Controller: MCP2515 2. CAN transceiver: SIT65HVD230DR 3. RS485 transceiver: SP3485 4. Working voltage: 3.3V 5. Mounting hole size: 3.0mm 6. Dimensions: 100 x 79 mm Package List 1. RS485 CAN for Jetson Nano x1 2. Screws pack x1