MQ-7 Carbon Monoxide Gas Sensor Module
The MQ-7 Gas Sensor Module is designed to detect Carbon Monoxide (CO) concentrations in the air. With both analog and digital outputs, it’s perfect for Arduino, ESP32, Raspberry Pi, and other microcontrollers used in gas leak detection, smoke alarms, and indoor air quality monitoring.
₹ 98
₹ 149
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| Made In : | India |
The MQ-7 Gas Sensor Module is specifically designed for detecting Carbon Monoxide (CO) gas in the environment. It is widely used in safety systems for monitoring CO leakage in homes, industries, and vehicles. The module provides both analog and digital outputs, allowing easy integration with Arduino, ESP32, and other microcontrollers for real-time monitoring and alert systems.
Key Features
- Specialized for Carbon Monoxide (CO) detection
- Dual output: Analog (A0) and Digital (D0)
- Adjustable sensitivity via onboard potentiometer
- High sensitivity and fast response
- Onboard comparator (LM393) for digital output
- LED indicators for power and detection
- Easy interface with Arduino and IoT platforms
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | MQ-7 Gas Sensor |
| Detectable Gas | Carbon Monoxide (CO) |
| 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 |
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