Detect combustible gases and smoke with the reliable MQ-2 Gas & Smoke Sensor Module. Designed for gas leakage detection and air quality monitoring, the MQ-2 sensor can detect LPG, propane, methane, hydrogen, butane, alcohol vapors, and smoke. Featuring both analog and digital outputs with an onboard LM393 comparator, it allows easy sensitivity adjustment for a wide range of safety, automation, and IoT applications.
Compatible with Arduino, ESP32, ESP8266, STM32, Raspberry Pi, and other popular microcontrollers, the MQ-2 is widely used in gas leak alarms, smart home systems, industrial safety monitoring, and educational electronics projects.
Key Features
- ✔ Detects LPG, Methane, Hydrogen, Propane, Butane, Alcohol & Smoke
- ✔ Analog (AO) and Digital (DO) Outputs
- ✔ Adjustable Detection Sensitivity
- ✔ LM393 Comparator with Onboard Potentiometer
- ✔ Operating Voltage: 5V DC
- ✔ Compatible with Arduino, ESP32, ESP8266, STM32 & Raspberry Pi
- ✔ Ideal for Gas Leakage Detection, Fire Safety, IoT & Home Automation
Whether you're building a gas leak alarm, air quality monitor, fire safety device, or smart home automation system, the MQ-2 Gas & Smoke Sensor Module provides reliable gas detection for embedded and IoT applications.
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