https://devzone.nordicsemi.com/f/nordic-q-a/85273/can-bus-communication-using-mcp2515-to-arduino-unoThe CAN controller MCP2515 should be connected to the Nordic DK NRF5340 by the SPI interface. Communicate to Arduino uno We were trying with CAN sample given But this sample is not running, @ the below line we get error undefined zephyr_can_primaryen-USTelligent Community 13Tue, 01 Mar 2022 12:30:26 GMThttps://devzone.nordicsemi.com/thread/355536?ContentTypeID=1Tue, 01 Mar 2022 12:30:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0eafb1a4-c142-4cde-9e10-c827988e19a9Albrecht Markus Schellenberger<p lang="en-GB">Duplicate of case <a href="https://devzone.nordicsemi.com/f/nordic-q-a/85273/can-bus-communication-using-mcp2515-to-arduino-uno">#285003</a>.</p><div style="clear:both;"></div>