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
1-Channel 5V Relay Module | Low Level Trigger for Arduino
Control high voltage safely. This single-channel relay allows your Arduino to switch high-power devices like light bulbs, water pumps, or fans. It isolates your microcontroller from the high voltage using an internal switch.
-
Trigger: Low Level (Connect Signal to GND to turn ON).
-
Max Load: 250V AC / 10A.
-
Indicators: Red Power LED + Green Status LED.
-
Best For: Smart Lamps, Fan Control, and Simple Automation.
4×4 Matrix Membrane Keypad | 16 Button Keypad Module
-
Keys: 16 (0-9, A-D, *, #)
-
Mounting: Self-Adhesive Backing (Peel & Stick)
-
Interface: 8 Pins (Standard 2.54mm header)
-
Best For: Electronic Door Locks, Calculators, and Attendance Systems.
Flame Sensor Module (YG1006) | Infrared Fire Detector for Arduino
-
Sensor Type: YG1006 NPN Phototransistor (High Speed).
-
Detection Range: Up to 1 meter (depending on flame size).
-
Spectrum: 760nm - 1100nm (Invisible IR light).
-
Best For: Fire Fighting Robots, Smart Kitchen Alarms, and Safety Systems.
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.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
-
Max Load: 24V DC / < 5A.
-
Control Voltage: 3.3V or 5V (PWM Compatible).
-
Output: Pulse Width Modulation (Speed/Dimming control).
-
Best For: LED Strips, Small DC Fans, and Solenoids.
Raindrop Sensor Module | Rain & Water Detector for Arduino
Build your own weather station. This sensor detects rain, snow, or water droplets. It consists of a large nickel-plated sensing board and a control module. When water hits the board, it sends a signal to your Arduino to close windows or sound an alarm.
-
Sensor Type: Resistive (Nickel-Plated Board).
-
Outputs: Digital (High/Low) and Analog (Rain Intensity).
-
Durability: Treated against oxidation for longer life.
-
Best For: Automatic Wipers, Smart Clotheslines, and Weather Stations.
Sound Sensor Module (Microphone) | Clap Switch & Alarm Detector
Turn on lights with a clap! This microphone module detects sound waves and converts them into a digital signal for your Arduino. It is the core component for "Clap Switch" projects and noise-activated alarms.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Outputs: Digital (Gate) and Analog (Waveform).
-
Microphone: High-Sensitivity Condenser Mic.
-
Best For: Clap Switches, Baby Monitors, and Noise Alarms.
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.
Reviews
There are no reviews yet.