MQ-6 Liquefied and LPG Gas Sensor
The MQ-6 Liquefied and LPG Gas Sensor is a widely used semiconductor-based gas detector that provides fast and accurate detection of LPG, Propane, Butane, and related combustible gases. Featuring a high-sensitivity SnO₂ sensing layer, the MQ-6 is capable of detecting small concentrations of gas leaks, making it perfect for home safety, industrial monitoring, and smart IoT gas alarm systems.
With both analog and digital outputs, this sensor integrates seamlessly with Arduino, NodeMCU, ESP32, and Raspberry Pi microcontroller platforms.
⭐ Perfect for Arduino, ESP32, NodeMCU & IoT Safety Projects
The MQ-6 can be easily used with popular controllers:
🔗 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/
Find more Electronics Components here:
🔗 https://electroway.org/product-category/electronics-components/
⭐ Technical Specifications
| Feature | Details |
|---|---|
| Sensor Type | Semiconductor Gas Sensor |
| Gas Detection | LPG, Propane, Butane |
| Operating Voltage | 5V DC |
| Output | Analog + Digital |
| Load Resistance | Adjustable via onboard potentiometer |
| Preheat Time | 20 seconds |
| Sensitivity Range | 200–10,000 ppm |
| Response Time | < 10 seconds |
| Operating Temperature | -10°C to 50°C |
The sensor uses SnO₂, which decreases resistance in the presence of LPG, providing stable and fast detection.
⭐ Applications
🏠 Home & Kitchen Safety
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LPG leak detection
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Smart gas alarms
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Automatic fan/valve activation systems
🏭 Industrial & Commercial Monitoring
-
Gas cylinders & storage areas
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Fuel stations
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Industrial automation & gas detection systems
🤖 Arduino & IoT Projects
-
Smart home safety systems
-
WiFi-enabled mobile gas alert systems
-
Environmental monitoring devices
Explore relevant categories:
🔗 ICs: https://electroway.org/product-category/ics/
🔗 Tools & Accessories: https://electroway.org/product-category/tools-and-accessories/
⭐ Precautions
⚠ Allow 20-second preheating before use for accurate readings.
⚠ Use only in well-ventilated locations—avoid enclosed sensor chambers.
⚠ Keep sensor away from water, oil fumes, and corrosive chemicals.
⚠ Do not expose sensor directly to high gas concentrations for long periods.
⚠ Use proper Power Supply to prevent voltage drops.
⭐ YouTube Tutorial – MQ-6 with Arduino
📺 Watch Video:https://www.youtube.com/shorts/m_eFnunr0hk
📌 Product Summary
The MQ-6 LPG Gas Sensor is a dependable and highly sensitive module designed for detecting LPG, Propane, and Butane. With analog/digital outputs and easy Arduino/IoT compatibility, it is ideal for home safety systems, industrial gas leak detection, and smart monitoring applications.
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