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
16×2 LCD Display Module (Blue Backlight) – HD44780 Arduino Compatible
The classic 1602 Character LCD provides a bright 16-character by 2-line display, essential for user interfaces in electronics projects.
-
Display: 16 Characters x 2 Lines
-
Color: White Text on Blue Background
-
Controller: HD44780 (Standard Library Support)
-
Voltage: 5V DC
-
Interface: Parallel (4-bit or 8-bit)
-
Backlight: LED
DS3231 RTC Real-Time Clock Module
The DS3231 is a highly accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO).
-
Chip: Maxim DS3231 (High Precision)
-
Memory: Built-in AT24C32 32K I2C EEPROM
-
Voltage: 3.3V – 5.5V DC
-
Interface: I2C (SCL, SDA)
-
Battery Backup: Holds time when power is off (Coin cell slot included)
-
Accuracy: Much higher than the standard DS1307
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
-
Range: Adjustable (3 to 7 meters)
-
Output: 3.3V Logic (High when motion detected)
-
Features: Adjustable Time Delay & Sensitivity
-
Ideal For: Automated lighting, security systems, and robotics.
LDR Photosensitive Sensor Module (4-Pin) | Light Detector
- Sensor Type: Light Dependent Resistor (Photoresistor).
-
Outputs: Digital (D0) & Analog (A0).
-
Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Automatic Lights, Sun Trackers, and Laser Tripwires.
MQ-135 Air Quality & Hazardous Gas Sensor Module | CO2, Smoke, Ammonia
Detect smoke and dangerous gases instantly. The MQ-135 is the most versatile gas sensor for air quality monitoring. It detects a wide range of gases including Ammonia, Sulfide, Benzene, Smoke, and CO2. Perfect for "Smart Home" safety systems and environmental monitoring.
- Gases Detected: NH3, NOx, Alcohol, Benzene, Smoke, CO2.
-
Output: Analog (Gas Concentration) and Digital (Alarm Trigger).
-
Warm-up Time: ~20 seconds.
-
Best For: Air Quality Monitors, Smoke Alarms, and Industrial Safety.
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.
Soil Moisture Sensor Module (YL-69) | Automatic Plant Watering System
Never forget to water your plants again. The Soil Moisture sensor measures the water content in soil. When the soil gets dry, the sensor output changes, allowing your Arduino to turn on a water pump automatically.
-
Outputs: Analog (Exact moisture level) & Digital (Threshold switch)
-
Adjustable: Set your "Dry" trigger point with the blue potentiometer.
-
Ideal For: Smart irrigation systems, greenhouse monitoring, and science projects.
Reviews
There are no reviews yet.