MQ2 Flammable Gas and Smoke Sensor Module
The MQ2 Flammable Gas and Smoke Sensor Module is a highly reliable and widely used gas detection module designed for detecting combustible gases and smoke in various embedded and IoT applications. This sensor is capable of sensing gases such as LPG, propane, methane, hydrogen, alcohol, and smoke particles with high sensitivity and fast response time. It is commonly used in gas leakage detection systems, smart safety devices, home automation projects, and industrial monitoring applications.
The module features both analog and digital outputs, making it easy to interface with microcontrollers like Arduino, ESP32, Raspberry Pi, and other development boards. With adjustable sensitivity through the onboard potentiometer, users can easily calibrate the detection threshold according to their application requirements.
At RoboCircuitHub, we provide high-quality electronic modules suitable for students, hobbyists, and professional developers working on innovative embedded and IoT projects. The MQ2 sensor is an excellent choice for creating reliable gas monitoring and smoke detection systems.
Specifications
- Operating Voltage: 5V DC
- Gas Detection Type: LPG, Smoke, Methane, Propane, Hydrogen, Alcohol
- Output Type: Analog & Digital
- High Sensitivity and Fast Response
- Adjustable Sensitivity using Potentiometer
- LED Status Indicators Available
- Easy Interface with Arduino & ESP32
- Compact PCB Design
- Long Operational Life
- Suitable for Indoor Gas Detection Applications
Applications
- Gas Leakage Detection System
- Smoke Alarm Systems
- Smart Home Automation
- Industrial Safety Monitoring
- IoT-based Gas Monitoring Projects
- Fire Detection Systems
- Embedded System Learning Projects
RoboCircuitHub offers quality robotics, electronics, and embedded development products designed to support innovation, learning, and product development for makers and engineers.






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