RS485 CAN HAT for , Allows Stable Long-distance Communication The RS485 CAN HAT will enables your Pi to communicate with other devices stably in long-distance via RS485/CAN functions.<br> 1.<br> Standard 40PIN GPIO extension header, supports series 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 TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit for RS485 transceiving, -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 products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.<br> The measurement allowed error is +/- 1-3cm.