The MQ-4 Gas Sensor Module is designed specifically for detecting methane (CH4) and natural gas leaks. It offers high sensitivity, stable performance, and fast response time, making it ideal for home safety systems, industrial gas monitoring, environmental projects, and Arduino-based IoT applications.
The sensor provides both analog and digital outputs, making it easy to connect with Arduino, ESP32, Raspberry Pi, and other microcontrollers. MQ-4 is commonly used in gas leakage detectors, smart alarms, and automated monitoring systems.
Key Features:
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Detects methane (CH4) and natural gas
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High sensitivity with fast response
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Analog + digital output support
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Adjustable sensitivity (via onboard potentiometer)
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Compatible with Arduino, ESP8266, ESP32, Raspberry Pi
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Ideal for gas leak detectors, home safety, industrial monitoring
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Stable and durable design for long-term use
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