MQ-5 (MQ5) LPG Gas Sensor Module
The MQ-5 (MQ5) LPG Gas Sensor Module is a widely used semiconductor gas detection module designed for precise measurement of LPG, Natural Gas, Methane, Coal Gas, and Hydrogen. Built with a SnO₂ sensitive semiconductor layer, the MQ-5 responds quickly to fuel gases, making it ideal for safety monitoring systems.
This gas sensor includes an onboard digital output (DO) with adjustable sensitivity using a potentiometer, and an analog output (AO) for accurate readings through microcontrollers. It is perfect for Arduino, NodeMCU, ESP32, Raspberry Pi, and smart home IoT systems.
⭐ Compatible with Arduino, ESP32 & IoT Projects
Super easy to integrate with microcontrollers:
🔗 Arduino Boards:
https://electroway.org/product-category/arduino-and-accessories/arduino-boards/
🔗 NodeMCU IoT Modules:
https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/
Explore more Electronics Components:
🔗 https://electroway.org/product-category/electronics-components/
⭐ Technical Specifications
| Feature | Detail |
|---|---|
| Sensor Model | MQ-5 (MQ5) |
| Detectable Gases | LPG, Natural Gas, Coal Gas, Methane, Hydrogen |
| Operating Voltage | 5V DC |
| Output | Analog + Digital |
| Sensitivity Range | 100 – 10,000 ppm |
| Preheat Time | 20 seconds |
| Response Time | <10 seconds |
| Adjustable Sensitivity | Yes (via potentiometer) |
| Operating Temp | -20°C to 50°C |
The sensor’s sensitivity to hydrocarbon gases makes it ideal for both household and industrial applications.
⭐ Applications
🏠 Home Safety & Gas Leak Prevention
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LPG & natural gas leak alarms
-
Smart kitchen safety systems
-
Gas cylinders storage monitoring
🏭 Industrial Use
-
Fuel & gas storage areas
-
Industrial gas leak detection
-
HVAC and boiler systems
🤖 Arduino, ESP32 & IoT Projects
-
Smart WiFi gas alarm systems
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Automated ventilation control
-
Environmental safety monitoring
Check more sensor categories here:
🔗 IC’s: https://electroway.org/product-category/ics/
🔗 Tools & Accessories: https://electroway.org/product-category/tools-and-accessories/
⭐ Precautions
⚠ Allow 20 seconds preheating for stable readings.
⚠ Avoid direct contact with corrosive gases or liquids.
⚠ Use in a ventilated environment—avoid sealed chambers.
⚠ Ensure stable 5V Power Supply to avoid false readings.
⚠ Calibrate the sensor for best results.
⭐ YouTube Tutorial (MQ-5 with Arduino)
📺Watch Video:https://www.youtube.com/shorts/cWn4zHL4z7o
📌 Product Summary
The MQ-5 LPG Gas Sensor Module delivers reliable detection of LPG, Natural Gas, Methane, Hydrogen, and other combustible gases. With analog/digital outputs and easy Arduino/IoT compatibility, it is perfect for home safety alarms, industrial monitoring, and real-time gas detection systems.
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