MQ-8 Hydrogen Gas (H₂) Sensor Module

The MQ-8 is a high-accuracy gas sensor designed to detect Hydrogen (H₂) gas.
It is widely used in hydrogen leakage detection systems, industrial environments, laboratory equipment, and safety monitoring applications.

The sensor uses a SnO₂ sensing layer that changes resistance when exposed to hydrogen gas, allowing precise measurement of gas concentration.
It works easily with Arduino, ESP32, and Raspberry Pi, making it suitable for both beginners and professional projects.

The MQ-8 can detect hydrogen even at low ppm levels, providing reliable early warning for leaks.