🌫️ MQ-135 Air Quality Sensor Module – Gas Sensor for CO₂, Ammonia, Benzene Detection by Ekastore
The MQ-135 Air Quality Sensor Module is designed to detect a wide range of air pollutants, including CO₂ (carbon dioxide), NH₃ (ammonia), benzene, smoke, alcohol, and other harmful gases. Ideal for indoor air quality monitoring, environmental sensing, and smart ventilation systems, it features both analog and digital outputs for seamless microcontroller integration.
✅ Key Features:
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Multi-Gas Detection – CO₂, ammonia, benzene, smoke, alcohol, and more
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Dual Output Options – Analog output for precise readings, digital output with threshold control
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Onboard Potentiometer – Adjust sensitivity for custom detection limits
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Built-In Signal & Power LEDs – Clear visual status indication
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Microcontroller Friendly – Easily connects to Arduino, ESP32, Raspberry Pi, and other boards
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Compact Module Design – Easy to mount in custom projects
⚙️ Specifications:
| Property | Details |
|---|---|
| Operating Voltage | 5V DC |
| Detection Gases | CO₂, NH₃, Benzene, Alcohol, Smoke, etc. |
| Output Type | Analog & Digital |
| Sensor Type | MQ-135 |
| PCB Dimensions | ~32mm × 20mm |
| Warm-Up Time | 20–30 seconds (for stable readings) |
| Mounting Holes | Yes |
🛠️ Applications:
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Air quality monitoring systems
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Smart home ventilation or purifiers
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Gas leak detectors and alarms
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IoT-based environmental health tracking
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Greenhouse and indoor farming projects
📦 Package Includes:
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1× MQ-135 Air Quality Sensor Module – by Ekastore
🌱 Monitor what you breathe — bring smarter sensing to your environment with Ekastore.
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