MCP2515 mcp2515(10); // CS Pin
| Error Message | Solution | | :--- | :--- | | "Unknown part name MCP2515" | Library not installed or wrong folder. Re-check step 2 (use ProgramData , not Program Files ). | | "SIMULATION FAILED: Model not found" | You downloaded only the schematic symbol. You need the .HEX simulation model from GitHub. | | "SPI pins not responding" | The third-party library has a bug. Swap to the workaround above. |