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MQ-135 Air Quality Sensor Module

Environmental monitoring for better air quality

₹120.00

MQ-135 Air Quality Sensor Module

The MQ-135 Air Quality Sensor Module is designed for detecting harmful gases and pollutants in the air. It is highly sensitive to a wide range of gases, including ammonia, sulfur, benzene, smoke, and CO₂, making it an excellent choice for monitoring air quality in both indoor and outdoor environments. With analog and digital outputs, it can be easily interfaced with Arduino, ESP8266, Raspberry Pi, and other microcontrollers.

Key Features

  • Operating Voltage: 3.3V – 5V DC

  • 📡 Gas Detection Range: 10 – 1000 ppm

  • 💨 Detects: Ammonia (NH₃), Sulfide, Benzene, CO₂, Smoke, Alcohol & other harmful gases

  • 🎯 High sensitivity & fast response time

  • 📌 Analog & Digital outputs for flexible interfacing

  • 🛠 Onboard potentiometer to adjust detection sensitivity

  • 🔗 Easy to integrate with Arduino, ESP8266/ESP32, and Raspberry Pi

Applications

  • 🌍 Indoor & Outdoor Air Quality Monitoring

  • 🏠 Smart Home Automation (Air Purifiers, HVAC Systems)

  • 🏭 Industrial & Environmental Safety Monitoring

  • 📊 IoT-based Air Quality Data Logging

  • 🔒 Pollution & Gas Leakage Detection Systems