CAN-BUS Shield for Arduino (MCP2515 with MCP2551 Transceiver)
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Prices updated: 13 Oct 2026
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About this product
A CAN-Bus shield for Arduino based on the Microchip MCP2515 CAN controller and MCP2551 transceiver. It supports CAN 2.0B up to 1 Mb/s over a high-speed SPI interface and uses a 9-way Sub-D connector for OBD-II cables. It can power the Arduino through the connector, with a resettable fuse and reverse polarity protection, and is suited to automotive CAN projects.
Specifications
- CAN controller
- MCP2515
- CAN transceiver
- MCP2551
- CAN version
- 2.0B
- Maximum bit rate
- 1 Mb/s
- SPI interface
- Up to 10 MHz
- Connector
- 9-way Sub-D (OBD-II compatible)
- Protection
- Resettable fuse and reverse polarity protection
Frequently asked questions
What cable do I need to connect to a vehicle?
The shield uses a standard 9-way Sub-D connector for OBD-II cables. The cable is not included with the board.
Can the shield power the Arduino?
Yes. Power can be supplied to the Arduino through the Sub-D connector, protected by a resettable fuse and reverse polarity protection.
