GAS SENSOR MQ-8

The MQ-8 Gas Sensor is a semiconductor gas sensor specifically designed to detect hydrogen (H₂) gas in the surrounding environment. It operates by changing its electrical resistance when exposed to hydrogen, producing analog and digital output signals that can be easily interfaced with microcontrollers such as Arduino, ESP32, STM32, Raspberry Pi, and PIC. The sensor provides high sensitivity to hydrogen, fast response time, stable performance, and long operational life while exhibiting low sensitivity to alcohol and other combustible gases. Due to its reliable detection capability, the MQ-8 sensor is widely used in hydrogen leak detection systems, industrial safety monitoring, fuel cell applications, laboratory gas monitoring, environmental monitoring, and IoT-based gas sensing projects.