Product description The RS485 CAN HAT will enables your Pi to communicate with other devices stably in long-distance via RS485/CAN functions. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards CAN function, onboard CAN controller MCP2515 via SPI interface, onboard transceiver SN65HVD230 RS485 function, controlled via UART, half-duplex communication, supports automatic TX/RX control without programming, onboard transceiver SP3485 Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit for RS485 transceiving, llgthningproof & anti-electrostatic Reserved control pins, allows to work with other control boards Comes with development resources and manual (examples in wiringPi/python)
Operating voltage: 3.3V
CAN controller: MCP2515
CAN transceiver: SN65HVD230
485 transceiver: SP3485
Dimension: 65mm x 30mm
Mounting hole size: 3.0 mm. com/wiki/RS485_CAN_HATamazon Recommended We also provide an isolated interface converter USB TO RS232/485/TTL for easy testing.