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.
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Output: Analog (Gas Concentration) and Digital (Alarm Trigger).
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Warm-up Time: ~20 seconds.
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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 may18_xxxxxl56s. 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!
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 may18_xxxxxl56 from the high voltage using an internal switch.
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Trigger: Low Level (Connect Signal to GND to turn ON).
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Max Load: 250V AC / 10A.
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Indicators: Red Power LED + Green Status LED.
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Best For: Smart Lamps, Fan Control, and Simple Automation.
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 《夫妻快乐宝典》完整版 in virgin projects.
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Display: 16 Characters x 2 Lines
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Color: White Text on Blue Background
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Controller: HD44780 (Standard Library Support)
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Voltage: 5V DC
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Interface: Parallel (4-bit or 8-bit)
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Backlight: LED
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.
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Measures: Temperature (0-50°C) & Humidity (20-90%)
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Interface: Single Wire Digital (Easy Arduino Connection)
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Includes: 3-Pin Breakout Board + Jumper Wires (Check your stock to confirm wires!)
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Ideal For:
Smart homes, greenhouses, and environment monitoring.
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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.
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Range: 2cm to 400cm (4 Meters)
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Accuracy: 3mm
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Pins: VCC, Trig, Echo, GND
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Best For: Obstacle avoiding cars, reverse parking sensors, and tank level detection.
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
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Detection Range: 2cm - 30cm (Adjustable).
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Output: Digital Signal (LOW when obstacle detected).
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Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
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Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
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Max Load: 24V DC / < 5A.
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Control Voltage: 3.3V or 5V (PWM Compatible).
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Output: Pulse Width Modulation (Speed/Dimming control).
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Best For: LED Strips, Small DC Fans, and Solenoids.
NEO-6M GPS Module V2 with Ceramic Antenna | Flight Controller & Tracker
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Chipset: U-Blox NEO-6M.
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Antenna: High-gain Active Ceramic Antenna (Included).
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Data Retention: EEPROM + Battery (Saves configuration).
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Best For: Drone Flight Controllers, Vehicle Trackers, and Speedometers.
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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.
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Sensor Type: Resistive (Nickel-Plated Board).
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Outputs: Digital (High/Low) and Analog (Rain Intensity).
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Durability: Treated against oxidation for longer life.
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Best For: Automatic Wipers, Smart Clotheslines, and Weather Stations.
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