DFRobot Gravity Analog Alcohol Sensor (MQ3) For Arduino


In stock

SKU: 1356228
  1. Power supply needs: 5V
  2. Interface type: Analog
  3. Wide detecting scope
  4. Fast response and High sensitivity
  5. Simple drive circuit


(Including GST)

In stock

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Brand: DF Robot
Category: Gas and Dust Sensor

The analog gas sensor – MQ3 is used in gas leakage detecting equipment in consumer and industry markets, this sensor is suitable for detecting LPG i-butane, propane, methane, alcohol, hydrogen, smoke. It has a high sensitivity and fast response time. And the sensitivity can be adjusted by the potentiometer


  1. Wide detecting scope
  2. Fast response and High sensitivity
  3. Stable and long life
  4. Simple drive circuit
  5. Wide detecting scope
  6. Fast response and High sensitivity
  7. Simple drive circuit
  8. Stable and long life

Packages Includes:

1 x DFRobot Gravity Analog Alcohol Sensor (MQ3) For Arduino

SKU: 1356228 Category:
Power Supply(V)




Size ( L x W ) mm


Shipment Weight

0.003 kg

Shipment Dimensions

4 × 4 × 1 cm

6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China