Introduction: CAN-BUS is a widely used industrial bus protocol known for its long transmission distance, moderate communication speed, and high reliability. It is commonly used in modern machine tools and automotive diagnostic systems. This CAN-BUS Shield features the MCP2515 CAN Bus controller with SPI interface and the MCP2551 CAN 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 devices or data loggers. Features: - Supports CAN V2.0B protocol up to 1 Mb/s - SPI interface up to 10 MHz - Fully compatible with Arduino and Seeeduino - Supports standard (11-bit) and extended (29-bit) data and remote frames - Equipped with industrial-standard 9-pin sub-D connector - 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.