I think that this open-source ESP32-based OBD (On-Board Diagnostics) hardware adapter for cars/trucks + open-source firmware combination in this crowdfunding campaign on Crowd Supply could be an very interesting product …
WiCAN
GitHub - meatpiHQ/wican-fw
WiCAN
GitHub - meatpiHQ/wican-fw
WiCAN ESP32 based open source OBD2/OBD-II Car Diagnostics CAN Bus to WIFi/ BLE/USB adapter Home Assistant integration? - Hardware - Home Assistant Community
Is this possible? OBD2 -> ESP32 -> Home Assistant? : r/homeassistant
WiCAN ESP32-C3 CAN Bus platform is available in USB-CAN and OBD-II form factors (Crowdfunding) - CNX Software
GitHub - meatpiHQ/wican-fw
Is this possible? OBD2 -> ESP32 -> Home Assistant? : r/homeassistant
WiCAN ESP32 based open source OBD2/OBD-II Car Diagnostics CAN Bus to WIFi/ BLE/USB adapter Home Assistant integration? - Hardware - Home Assistant Community
WiCAN
WiCAN
ESP32 CAN board fits into OBD-II dongle, supports auto shutdown - CNX Software