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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

A highly sensitive and adaptable sensor, the MQ-3 Alcohol, Ethanol, and Breath Gas Detection Module is intended to identify the presence of alcohol and ethanol vapor in the atmosphere. This module is especially helpful for projects involving environmental sensing, breathalyzer systems, safety devices, and programs that need to track alcohol attention levels. The MQ-3 module is particularly notable for its exceptional sensitivity to ethanol and alcohol vapors. It ensures accurate and dependable measurements by using a high-quality semiconductor gas sensor to find even the smallest amounts of these substances in the air. This module is ideal for engineers and do-it-yourself enthusiasts who wish to integrate alcohol and ethanol sensing into their projects because it works well with Arduino and many other microcontroller platforms. Its user-friendly interface makes integration easier while maintaining a rapid and hassle-free deployment. The MQ-3 module, which offers real-time data for alcohol awareness tiers, is renowned for its quick response time. Programs with breathalyzers and protection structures that need precise, quick results depend on this feature. The module's small size and straightforward connections enhance its setup simplicity and adaptability, making it possible to use it for a variety of tasks with little difficulty. To sum up, an indispensable instrument for init is the MQ-three Alcohol, Ethanol, and Breath Gas Detection Module.


  • Highly Sensitive to Alcohol and Ethanol Vapors.
  • Ideal for Breathalyzer Systems and Safety Devices.
  • Compatible with Arduino and Microcontrollers.
  • User-Friendly Integration.
  • Rapid Response Time for Real-Time Data.
  • Compact Design for Easy Installation.
  • Ensures Accurate and Reliable Alcohol Detection.
  • Versatile for DIY Projects and Environmental Sensing.
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Based on 3 reviews

very good product

Abhishek - May 29, 2024
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