Introduction: CAN-BUS is a widely used industrial communication bus known for its long transmission distance, medium data rate, and high reliability. It is commonly applied in modern machine tools and automotive diagnostic systems. This CAN-BUS Shield features the MCP2515 CAN controller with SPI interface and the MCP2551 transceiver, enabling CAN-BUS functionality for Arduino and Seeeduino platforms. When paired with an OBD-II converter cable and the OBD-II library, it supports development of onboard diagnostic tools or data loggers. Features: - Complies with CAN V2.0B specification, supporting data rates up to 1 Mb/s - SPI interface compatible up to 10 MHz - Fully compatible with Arduino and Seeeduino platforms - Supports standard (11-bit) and extended (29-bit) data and remote frames - Equipped with industrial-standard 9-pin sub-D connector - Includes two prioritized receive buffers - Operating voltage: DC 5–12 V - Housing material: Plastic - Color: Black Package Contents: - 1 × Expansion Board - 5 × Rows of Pins Note: Color appearance may vary slightly due to lighting conditions and display settings. Dimensional tolerance: ±1–3 cm.