ESP32: environmental sensing with the BME680
The BME680 reads temperature, humidity, pressure, AND volatile organic compounds (VOC) from air quality, over one I2C bus.
Tag
#air-quality
3 tutorials
ESP32: long-term air quality with the BME680 (baseline tracking over MQTT)
Track BME680 gas resistance over days, survive the 48-hour burn-in, and publish air quality trends over MQTT so your room gets a real baseline, not a guess.
ESP32: build an indoor air quality monitor
BME280 + MQ-2 + MQ-135 + ESP32 + OLED = a complete indoor air quality monitor. Temperature, humidity, CO2 equivalent, and combustible gas.