Features: Compatible with standard Raspberry Pi 40-pin GPIO extension header, supports Raspberry Pi series boards; CAN functionality with onboard CAN controller MCP2515 via SPI interface and onboard transceiver SN65HVD230DR; Reserved control pin allows integration with other control boards; Onboard TVS (Transient Voltage Suppressor) helps suppress surge voltage and transient spikes during RS485 communication, providing protection against lightning and electrostatic discharge; RS485 functionality controlled via UART, supports half-duplex communication with automatic control, no programming required, onboard transceiver SP3485; Specifications: Material: PCB Operating voltage: 3.3V CAN controller: MCP2515 CAN transceiver: SN65HVD230 RS485 transceiver: SP3485 Note: Allow 1-2 cm variation due to manual measurement; please confirm you are comfortable with this before ordering. Due to differences in monitor displays, the actual color of the item may vary from the picture. Package includes: 1 x RS485 CAN HAT