- The MQ-2 Gas Sensor Module is a highly sensitive and reliable gas detection sensor used to detect LPG, propane, methane, hydrogen, smoke, and other flammable gases. It is widely used in safety systems, gas leakage detection, and air quality monitoring projects.
- This module provides both analog and digital outputs, allowing flexible integration with Arduino, Raspberry Pi, and other microcontrollers. It also includes an onboard potentiometer to adjust sensitivity based on your application.
- With its fast response time and stable performance, the MQ-2 is an ideal choice for students, hobbyists, and professionals working on gas safety and environmental monitoring systems.
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Description
Specifications
| Specification | Details |
|---|---|
| Operating Voltage | 5V DC |
| Sensor Type | Semiconductor Gas Sensor |
| Detectable Gases | LPG, Methane, Propane, Hydrogen, Smoke |
| Output Type | Analog & Digital |
| Sensitivity Adjustment | Yes (potentiometer) |
| Preheat Time | ~20 seconds (recommended longer for accuracy) |
| Interface Pins | VCC, GND, A0, D0 |
Features
- Detects multiple gases and smoke
- Dual output (analog + digital)
- Adjustable sensitivity
- Fast response and recovery time
- Easy interface with microcontrollers
Applications
- Gas leakage detection systems
- Smoke and fire alarm systems
- Home and industrial safety
- Air quality monitoring
- IoT-based safety projects
Why choose?
- Reliable and widely used gas sensor
- Easy to use for beginners and professionals
- Cost-effective safety solution
- Compatible with Arduino and Raspberry Pi
- Ideal for real-world safety applications
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