Tag

#mq-2

2 tutorials

esp32 beginner 20 min

Wire an MQ-2 gas sensor to an ESP32 and read combustible gas concentrations. Important caveats about what MQ sensors can and cannot tell you.

esp32 advanced 45 min

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