Gas Sensor

The MQ-2 Combustible Gas Sensor Module is a semiconductor-based gas detection module designed to detect a wide range of flammable gases and smoke, including LPG, methane (CH₄), propane, hydrogen, alcohol vapors, carbon monoxide (CO), and smoke. Built around the MQ-2 gas sensor and an onboard LM393 voltage comparator, the module...

The MQ-5 Methane/LPG Gas Sensor Module is a semiconductor-based combustible gas detection module designed to detect LPG (Liquefied Petroleum Gas), methane (CH₄), propane, butane, natural gas, hydrogen, and town gas. Built around the MQ-5 gas sensor and an onboard LM393 voltage comparator, the module provides both analog (AO) and digital...

The MQ-8 Hydrogen Gas Sensor Module is a semiconductor-based gas detection module specifically designed for detecting hydrogen (H₂) gas in the air. Built around the MQ-8 gas sensor and an onboard LM393 voltage comparator, the module provides both analog (AO) and digital (DO) outputs for easy interfacing with microcontrollers and...

The MQ-135 Air Quality Gas Sensor Module is a semiconductor-based gas detection module designed to monitor indoor air quality by detecting a wide range of harmful gases, including ammonia (NH₃), nitrogen oxides (NOx), benzene, alcohol, smoke, carbon dioxide (CO₂), sulfide, and other volatile organic compounds (VOCs). Built around the MQ-135...

The MQ-3 Gas Sensor Module is a semiconductor-based alcohol detection module designed to sense ethanol (alcohol) vapors in the air. Built around the MQ-3 gas sensor, it uses a tin dioxide (SnO₂) sensing element whose electrical conductivity increases as the alcohol concentration rises. The module provides both analog (AO) and...