CAN-BUS is a common industrial bus because of its long travel distance, medium communication speed and high reliability. It is commonly found on modern machine tools and as an automotive diagnostic bus. Thanks for CAN-BUS, makers are to hack their cars more conveniently. The CAN-BUS Shield V2 still uses MCP2515 as CAN-BUS controller and MCP2551 as CAN ceiver. OBD-II or CAN standard pinout can be by switching on DB9 interface, the default pinout is OBD-II. We add a TF card slot for data storage and the pin can be either set to D4 or D5. The pin can also be set to D2 or D3 by switching on the back of the shield. CAN BUS Shield Work well with (), (ATmega1280/2560) as well as (ATmega32U4) and LinkIt One. Implements CAN V2.0B at up to 1 Mb/s Industrial standard 9 pin sub-D connector OBD-II and CAN standard pinout selectable. Changeable chip select pin Changeable pin for TF card slot Changeable pin Screw terminal that easily to connect CAN_H and CAN_L For pin headers Micro-SD card holder 2 Grove connectors ( and UART) SPI Interface up to 10 MHz Standard (11 bit) and extended (29 bit) data and remote frames Two receive buffers with prioritized message storage Note:Due to different production batches, there are differences in appearance label printing, which not affect the use. Colour:Black Material:Plastic Package Contents: 1 x CAN-Bus Shield V2 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.