Description <br> Standard for 40PIN GPIO extension header, supports for series boards <br> CAN function, onboard CAN controller MCP2515 via SPI interface, onboard transceiver SN65HVD230 <br> RS485 function, controlled via UART, half-duplex communication, supports automatic TX/RX control without programming, onboard transceiver SP3485 <br> Onboard (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit for RS485 transceiving, anti-electrostatic <br> Reserved control pins, allows to work with other control boards <br> <br> Operating voltage: 3.3V <br> CAN controller: MCP2515 <br> CAN transceiver: SN65HVD230 <br> 485 transceiver: SP3485 <br> Dimension: 65mm x 30mm <br> Material:plastic <br> colour:blue <br> <br> Package Contents: <br> 1 * Module HAT Expansion Board <br> <br> 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. The measurement allowed error is +/- 1-3cm. <br>