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.
Tag
#mq-135
1 tutorial
Tag
1 tutorial
BME280 + MQ-2 + MQ-135 + ESP32 + OLED = a complete indoor air quality monitor. Temperature, humidity, CO2 equivalent, and combustible gas.