The MQ-3 Gas Sensor Module is a reliable and sensitive alcohol sensor used for detecting ethanol and other alcohol vapors in the air. Commonly used in breathalyzers, this sensor is ideal for Arduino and other microcontroller-based projects requiring alcohol detection or air quality monitoring.
Key Features:
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Gas Detection: Ethanol, alcohol vapors, smoke
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Operating Voltage: 5V DC
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Output Types: Analog and digital outputs for flexible integration
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High Sensitivity: Fast response and recovery times
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Compact Design: Easy to mount on breadboards or embedded systems
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Applications: Breathalyzer projects, air quality monitoring, safety systems, and smart IoT devices
With adjustable sensitivity via onboard potentiometer and dual output modes, the MQ-3 is a popular sensor in environmental and safety electronics.
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