This is an ESP32 firmware for measuring load cells and publishing to the Google Cloud IoT Core.
- Ready for remote deploy and control
- Built and tested with ESP32-DevKit-C, ESP-IDF, Google IoT Core
- HX711 readings
- MQTT Messaging
- OTA Updates
- OTA Commands
- Add an elliptic
private_key.pem
to main/certs. It must match the public key of Google IoT Core registry. - Run
idf.py menuconfig
and set these two configurations sets:App Tractor Config -->
Component config --> Google IoT Core Configuration -->
Device_ID can be unset, as it is defined at runtime from the base MAC address.
- Use the ULP co-processor for HX711 readings
- Only publish when changes are detected
- OTA Wifi AP setup
- Mesh BLE networking + 1 Wifi gateway
- Device specific keys