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MQ-3 Alcohol Ethanol and Breath gas detection module for Arduino


  1. IC name : LM393
  2. Operating voltage : DC 3V to 5V
  3. Response time: ≤10s (70% Response)
  4. Recovery time: ≤30s (70% Response)
  5. Heating resistance: 31Ω±3Ω
  6. Heating current: ≤180mA
  7. Heating voltage: 5V±0.2V
  8. Heating power: ≤900mW
  9. Detect voltage: ≤15V
  10. Ambient temperature: -10℃ to 65℃
  11. Humidity: ≤95%RH

Available in Pack Of:

SKU: 296GV

MRP Rs. 171.57
Rs. 129.00 (Incl. Tax)
Rs. 109.32 (+18% GST extra)
Rs. 109.32 / pack of 1 = Rs. 109.32 per piece
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MQ-3 Alcohol Ethanol and Breath gas detection module for Arduino

The MQ-3 Alcohol, Ethanol, and Breath Gas Detection Module is a highly sensitive and versatile sensor designed for detecting the presence of alcohol and ethanol vapor in the air. This module is particularly useful for applications that require monitoring alcohol concentration levels, such as breathalyzer systems, safety devices, and environmental sensing projects. One of the standout features of the MQ-3 module is its exceptional sensitivity to alcohol and ethanol vapors. It utilizes a high-quality semiconductor gas sensor to detect even minute traces of these substances in the air, ensuring accurate and reliable measurements. This module is compatible with Arduino and various microcontroller platforms, making it suitable for DIY enthusiasts and engineers who want to incorporate alcohol and ethanol sensing into their projects. Its user-friendly interface simplifies the integration process, allowing for quick and hassle-free deployment. The MQ-3 module is known for its rapid response time, providing real-time data for alcohol concentration levels. This feature is crucial for applications such as breathalyzers and safety systems that require quick and accurate results. The compact design of the module, combined with its simple connections, enhances its ease of installation and versatility, allowing it to be integrated into various projects with minimal effort. In summary, the MQ-3 Alcohol, Ethanol, and Breath Gas Detection Module is an indispensable tool for projects and systems requiring alcohol vapor detection. Its high sensitivity, compatibility with microcontrollers, rapid response time, and ease of use make it a valuable component for applications involving alcohol monitoring and safety.

  1. Highly Sensitive to Alcohol and Ethanol Vapors.
  2. Ideal for Breathalyzer Systems and Safety Devices.
  3. Compatible with Arduino and Microcontrollers.
  4. User-Friendly Integration.
  5. Rapid Response Time for Real-Time Data.
  6. Compact Design for Easy Installation.
  7. Ensures Accurate and Reliable Alcohol Detection.
  8. Versatile for DIY Projects and Environmental Sensing.

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Based on 3 reviews

very good product

Abhishek - Nov 28, 2023
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