MQ-135 Air Quality & Hazardous Gas Sensor Module | CO2, Smoke, Ammonia
₵35.00
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.
1 in stock
The MQ-135 Air Quality Sensor Module is a high-precision gas sensor designed to detect air pollutants such as ammonia (NH₃), sulfur dioxide (SO₂), benzene, carbon monoxide (CO), smoke, and other volatile organic compounds (VOCs). Ideal for home air quality monitoring, industrial safety, and IoT-based environmental tracking, this sensor helps ensure clean and safe air in your surroundings.
🔹 Dual Output & Adjustable Sensitivity for Easy Integration ⚡
✔ Gas Detection: Ammonia (NH₃), benzene, CO, smoke, alcohol, NOx, and VOCs.
✔ Dual Output: Analog (gas concentration levels) & Digital (threshold-based alerts).
✔ Adjustable Sensitivity: Built-in potentiometer for fine-tuning detection levels.
✔ Operating Voltage: 5V DC (Compatible with Arduino & Raspberry Pi).
✔ Preheat Time: 20 seconds for stable readings.
✔ Long-Lasting & Reliable: Durable sensing element for consistent performance.
🔹 Applications – Where to Use the MQ-135 Sensor 🛠️
✔ Indoor Air Quality Monitoring – Detects pollutants and gases in homes & offices.
✔ Industrial Safety & Gas Leak Detection – Used in factories and chemical plants.
✔ Smart Home & IoT Automation – Integrates with smart ventilation systems.
✔ Vehicle Emission Testing – Measures harmful gas emissions in garages and labs.
✔ Environmental Monitoring Stations – Tracks air pollution levels in urban areas.
🔹 How to Use & External Resources 📚
The MQ-135 sensor connects easily to Arduino, Raspberry Pi, ESP8266, and other microcontrollers. Power it with 5V, connect the analog or digital output, and start measuring air quality.
📖 Helpful Resources for MQ-135 Air Quality Sensor Module:
✔MQ-135 Datasheet & Specifications
✔ How to Interface MQ-135 with Arduino
✔ Raspberry Pi Air Quality Sensor Guide
✔ YouTube Tutorials – MQ-135 Air Quality Monitoring Projects
🔹 Best Price & Availability in Ghana 🇬🇭
Looking for an MQ-135 Air Quality Sensor Module in Ghana? Whether for home pollution monitoring, industrial gas detection, or IoT-based environmental tracking, 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.
DHT11 Temperature and Humidity Sensor Module | Digital Weather Station
The #1 sensor for weather projects. The DHT11 is the most affordable way to measure ambient temperature and humidity. It provides calibrated digital signal output, making it perfect for automatic fan controllers and weather stations.
-
Measures: Temperature (0-50°C) & Humidity (20-90%)
-
Interface: Single Wire Digital (Easy Arduino Connection)
-
Includes: 3-Pin Breakout Board + Jumper Wires (Check your stock to confirm wires!)
-
Ideal For: Smart homes, greenhouses, and environment monitoring.
DS18B20 Waterproof Temperature Sensor Probe | Stainless Steel Digital Thermometer
Measure liquid temperature with digital precision. This is the waterproof version of the famous DS18B20 sensor. Encased in a stainless steel tube, it is perfect for measuring water, soil, or air temperature in harsh environments.
-
Range: -55°C to +125°C
-
Interface: 1-Wire Digital (Requires only 1 pin)
-
Cable Length: 1 Meter
-
Best For: Aquariums, boilers, soil temperature, and cold chain monitoring.
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.
High Sensitivity Vibration Sensor Module (SW-1801P) | Shock & Shake Switch
Detect even the slightest tap. Unlike standard vibration sensors that require a hard shake, the SW-1801P High Sensitivity module can detect light knocks, impacts, and vibrations. Perfect for anti-theft alarms and "Smart Wake-Up" devices.
-
Sensor Type: SW-1801P (High Sensitivity Spring).
-
Output: Digital (High/Low).
-
Adjustable: Blue Potentiometer to set sensitivity trigger.
-
Best For: Anti-Theft Alarms, Earthquake Detection, and Smart Toys.
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.
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.