CAN-capable, CAN controller MCP2515 using SPI with SIT65HVD230DR ceiver On-board digital isolation chip isolation communication is , better stability, for stronger anti-interference Onboard , RS485 communication with for protection and anti-static With RS485 function, UART control half-duplex communication with SP3485 ceiver to support automatic switching of ceiver <br><br>Based on the GPIO 40Pin design, it is convenient to directly plug into the for Nano board. Item: RS485 CAN for Nano Expansion Board CAN Controller:MCP2515 CAN ceiver: SIT65HVD230DR Digital Isolation Chip:ADUM1412 RS485 ceiver: SP3485 Working 3.3V Fixed Screw Hole Diameter:3mm Item Size: 100x79mm/3.94x3.1in (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: PCB<br><br>Package Contents: 1 * RS485 CAN Expansion Board<br><br>Only the above package content, other products are not included. Note: Light reflection 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.