Welcome to the store! RS485 CAN HAT for , Enables stable long-distance communication RS485 CAN HAT enables your Pi to communicate stably with other devices over long distances via RS485/CAN functions. 1. Standard 40PIN GPIO extension header, supports serial boards 2. CAN function, onboard CAN controller MCP2515 via SPI interface, onboard transceiver SN65HVD230 3. RS485 function, controlled via UART, half-duplex communication, supports automatic TX/RX control without programming, onboard transceiver SP3485 1. Onboard (Transient Voltage Suppressor), effectively suppresses overvoltage and transient voltage peaks in the circuit for RS485 transmission/reception, lightning-proof & anti-static 2. Reserved control pins, allows working with other control boards Operating Voltage: 3.3V Mounting hole size: 3.0 mm Color: blue Material: PCB Size: 65mm x 30mm Package Contents: 1* RS485 CAN HAT 1* RPi screw package (2pcs) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!