> For the complete documentation index, see [llms.txt](https://docs.macchina.cc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.macchina.cc/product-documentation/m2-docs/m2-code-libraries/single-wire-can.md).

# Single-wire CAN

## **Single-Wire CAN (MCP2515)**

{% embed url="<https://github.com/macchina/Single-Wire-CAN-mcp2515>" %}

Gives M2 single-wire CAN (GMLAN) functionality. Uses external MCP2515 transceiver connected to SAM3X via SPI. Library currently includes an example of sending a SW CAN message.