🌿 MQ135 Air Quality and Gas Sensor Module 🌿
The MQ135 module is designed for air quality monitoring and detection of harmful gases such as carbon dioxide (CO2), ammonia (NH3), nitrogen oxides (NOx), benzene, smoke, and other dangerous chemicals. It is ideal for indoor air quality projects and smart environmental sensing systems.
✅ Specifications:
- Model: MQ135.
- Detection Type: CO2, NH3, NOx, benzene, smoke, alcohol.
- Operating Voltage: 5V DC.
- Signal Output: Analog and digital output through comparator circuit.
- Sensitivity adjustable via onboard potentiometer.
- Fast response and recovery times.
- Compatible with microcontrollers like Arduino and ESP32.
🔹 Key Features:
✔ Good accuracy for detecting air pollution and harmful gases.
✔ Easy to connect and integrate into IoT systems.
✔ Low power consumption suitable for portable devices.
✔ Short preheating time for stable performance.
✔ Compact design ideal for indoor air monitoring.
🔹 Weight: 12 grams
📌 Common Applications:
- Monitoring indoor air quality in homes and offices.
- Smoke and gas detection systems.
- Smart home IoT projects.
- Ventilation control based on air quality.
- Environmental warning and safety devices.
