ESP32_Node Example esp-idf code for the Espressif ESP32 to read the following I2C sensors and report their values via MQTT: BME280 - Bosch Temperature, Humidity and Pressure Sensor. INA226 - Texas Instruments 36V, 16-bit current/voltage/power monitor with alert. INA228 - Texas Instruments 85V, 20-bit current/voltage/power/energy/charge monitor with alert. ADXL345 - Analog Devices 3-axis accelerometer.