MQ-2 Smoke & Gas Sensor Module | LPG, Butane, Hydrogen Detector
₵35.00
Build your own Fire & Gas Leak Alarm. The MQ-2 is a dual-purpose safety sensor. It detects Smoke (from fires) and Combustible Gases (like LPG, Propane, and Butane). It is the standard module for building “Smart Kitchen” safety monitors.
- Detects: Smoke, LPG, Propane, Hydrogen, Methane.
- Sensitivity: High (Adjustable).
- Response Time: < 10s.
- Best For: Fire Alarms, Gas Leak Detectors, and Industrial Safety.
3 in stock
The MQ-2 Smoke & Gas Sensor Module is a high-accuracy air quality sensor designed to detect combustible gases like LPG, butane, methane, propane, hydrogen, alcohol, and smoke. Ideal for home safety, industrial monitoring, and IoT environmental sensing, this module helps detect gas leaks and air contamination before they become dangerous.
🔹 Reliable Analog & Digital Output for Microcontrollers ⚡
✔ Gas Detection: LPG, methane, propane, butane, alcohol, hydrogen, smoke.
✔ Dual Output: Analog (precise gas concentration) & Digital (threshold-based alert).
✔ Adjustable Sensitivity: Potentiometer for tuning threshold levels.
✔ Operating Voltage: 5V DC (Compatible with Arduino & Raspberry Pi).
✔ Preheat Time: 20 seconds for accurate readings.
✔ Compact & Durable Design: Long lifespan & reliable performance.
🔹 Applications – Where to Use the MQ-2 Sensor 🛠️
✔ Gas Leak Detection – Detect LPG, butane, and methane leaks in homes & industries.
✔ Air Quality Monitoring – Measure smoke & harmful gas levels in smart buildings.
✔ Smart Home Automation – Integrate with IoT systems for safety alerts.
✔ Fire & Smoke Detection – Enhances early warning systems.
✔ Industrial & Laboratory Safety – Used in factories, kitchens, and chemical plants.
🔹 How to Use & External Resources 📚
The MQ-2 sensor connects easily to Arduino, Raspberry Pi, ESP8266 NodeMCU, and other microcontrollers. Just power it with 5V, connect the analog or digital output to your system, and start reading gas levels.
📖 Helpful Resources for MQ-2 Smoke & Gas Sensor:
✔ MQ-2 Datasheet & Specifications
✔ How to Interface MQ-2 with Arduino
✔ Raspberry Pi Gas Sensor Guide
✔ YouTube Tutorials – MQ-2 Smoke & Gas Detection Projects
🔹 Best Price & Availability in Ghana 🇬🇭
Looking for an MQ-2 Smoke & Gas Sensor Module in Ghana? Whether for gas leak detection, smoke alarms, or IoT air quality monitoring, this sensor offers high accuracy and easy integration. Order today for fast delivery across Ghana!
Related products
16-in-1 Sensor Module Kit for Arduino, ESP32 & Raspberry Pi
Expand your project possibilities instantly. This value-packed kit contains 16 of the most popular sensors for home automation and robotics. Instead of buying modules individually, get everything you need in one box.
-
Includes: DHT11 Temperature, Relay, Ultrasonic, Motion Sensor, and 12 more!
-
Compatibility: Works perfectly with Arduino Uno, Mega, Nano, and Raspberry Pi.
-
Perfect For: Learning how to read data and control devices.
20×4 LCD Display Module (Blue Backlight) | 2004A Character Screen
-
Size: 20 Characters x 4 Lines.
-
Display: White Text on Blue Background.
-
Controller: HD44780 (Standard Industry Chip).
- Best For: Weather Stations, 3D Printers, and Advanced Menus.
3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad
A simple and reliable input device for Arduino and DIY electronics projects. This flexible 12-key keypad provides only the essential keys (0–9, *, #)—no letters—making it ideal for numeric-only applications. It comes with a peel-and-stick adhesive backing for quick mounting on enclosures, panels, or doors.
-
Keys: 12 (Telephone-style layout)
-
Interface: 7 pins (2.54 mm standard pitch)
-
Mounting: Self-adhesive sticker backing
- Best for: Electronic door locks, vending machines, access control systems, phone dialers, and keypad-based Arduino projects.
HC-SR04 Ultrasonic Sensor Module | Distance Measurement for Arduino
Give your robot eyes. The HC-SR04 uses sonar (sound waves) to measure distance, just like a bat. It is the standard sensor for obstacle avoidance robots and water level monitoring systems.
-
Range: 2cm to 400cm (4 Meters)
-
Accuracy: 3mm
-
Pins: VCC, Trig, Echo, GND
-
Best For: Obstacle avoiding cars, reverse parking sensors, and tank level detection.
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
-
Detection Range: 2cm - 30cm (Adjustable).
-
Output: Digital Signal (LOW when obstacle detected).
-
Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
-
Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
-
Detects: Alcohol, Ethanol, Benzine.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Warm-up: Heater requires ~20 seconds.
-
Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
NEO-6M GPS Module V2 with Ceramic Antenna | Flight Controller & Tracker
-
Chipset: U-Blox NEO-6M.
-
Antenna: High-gain Active Ceramic Antenna (Included).
-
Data Retention: EEPROM + Battery (Saves configuration).
-
Best For: Drone Flight Controllers, Vehicle Trackers, and Speedometers.

Reviews
There are no reviews yet.