Using two ESP32 boards and 2 MCP2515 boards to communicate over CAN, not receiving anything

Projects Networking, Protocols, and Devices
8

the Espressif Two-Wire Automotive Interface (TWAI) on the ESP32 microcontrollers has similar functionality to the MCP2515 and only requires an external transceiver such as the cjmcu-1051 to connect to a canbus network
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shows a pair of ESP32 communicating vis canbus

  1. ESP32 using the MCP-CAN library connected to a MCP2515 module
  2. ESP32 using the TWAI interface driving a cjmcu-1051 transceiver - using the ESP32-TWAI-CAN library