RS485 CAN HAT for , Allows Stable Long-distance Communication The RS485 CAN HAT will enables your to communicate with other devices stably in long-distance via RS485/CAN functions. 1. Standard 40PIN GPIO extension header, supports series boards 2. CAN function, onboard CAN controller MCP2515 via SPI interface, onboard ceiver SN65HVD230 3. RS485 function, controlled via UART, half-duplex communication, supports automatic TX/ control without programming, onboard ceiver SP3485 1. Onboard ( ient Voltage Suppressor), effectively suppress surge voltage and ient voltage in the circuit for RS485 ceiving, -proof & anti-electrostatic 2. Reserved control pins, allows to work with other control boards Operating voltage: 3.3V Mounting hole size: 3.0mm colour: blue Material: PCB size: 65mm x 30mm Package Contents: 1*RS485 CAN HAT 1*RPi screws pack (2pcs) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.