Hello, I'm using two pairs of Uno-MCP2515 sets as CAN bus send and receive nodes. I'm using the library from here: [image] GitHub - autowp/arduino-mcp2515: Arduino MCP2515 CAN interface library Arduino MCP2515 CAN interface library. Contribute to autowp/arduino-mcp2515 development by cr…

MCP2515 Arduino standalone issue

sherzaad January 18, 2019, 12:44am 2

Nothing to do with your code.

you need to study your wiring a bit more.

are you connecting the 5V supply to "Vin" or "5V" on your arduinos?

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