Air Quality Sensor MQ135 -Hazardous Gas Detection Module – Air Quality, CO₂, Ammonia, Benzene, and Smoke Detection Sensor
The MQ-135 Gas Sensor Module is a versatile air quality sensor designed to detect a wide range of toxic gases including CO₂, NH₃, benzene, smoke, and volatile organic compounds (VOCs). With both analog and digital outputs, it s ideal for Arduino, ESP32, Raspberry Pi, and other platforms used in IoT-based air quality monitoring and safety systems.
₹ 110
₹ 149
| : | |
| Made In : | India |
The MQ135 Air Quality Sensor Module is a versatile gas detection sensor designed to monitor indoor air quality. It can detect a wide range of harmful gases such as CO₂, ammonia, benzene, alcohol, and smoke. With both analog and digital outputs, this module is ideal for environmental monitoring systems, smart home applications, and IoT-based air quality projects.
Key Features
- Detects CO₂, ammonia (NH₃), benzene, smoke, and other harmful gases
- Dual output: Analog (A0) and Digital (D0)
- Adjustable sensitivity via onboard potentiometer
- Fast response and high sensitivity
- Onboard comparator (LM393) for digital output
- LED indicators for power and gas detection
- Easy integration with Arduino, ESP32, Raspberry Pi
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | MQ135 Gas Sensor |
| Detectable Gases | CO₂, NH₃, Benzene, Smoke, Alcohol |
| Operating Voltage | 5V DC |
| Output Type | Analog + Digital |
| Preheat Time | ~20 seconds (recommended longer for stability) |
| Sensitivity | Adjustable |
| Interface | 4-pin (VCC, GND, A0, D0) |
| Comparator IC | LM393 |
0 Reviews For this Product
Related Products
