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2015NEW KEYESTUDIO MQ-3 Analog Alcohol Sensor for Arduino MQ-3

SKU: 420565
  • US$4.90
  • 4.72
  • Free shipping To

  • Dispatch: Ships within 7-10 business days
  • Form Color:


2015NEW KEYESTUDIO MQ-3 Analog Alcohol Sensor for Arduino MQ-3
2015NEW KEYESTUDIO MQ-3 Analog Alcohol Sensor for Arduino MQ-3

2015NEW KEYESTUDIO MQ-3 Analog Alcohol Sensor for Arduino MQ-3

US$4.72 US$4.90 0 (0 reviews)
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This analog gas sensor - MQ3 is suitable for detecting alcohol. It can be used in a Breath analyzer. It has good selectivity because it has higher sensitivity to alcohol and lower sensitivity to Benzine. The sensitivity can be adjusted by A potentiometer.
Quantity1 set
Form ColorBlack
ApplicationArduino learning
Working Voltage DC 3.3V-5V
Working Current>/=20mA
English Manual / SpecNo
Download Link
Other Features
Other FeaturesSpecification: Working voltage: DC 3.3V-5V Working current: >/=20mA Working temperature: -10'C~+50'C IO Interface: 3 wire interface (-/+/S/) Interface type: Analog Wide detecting scope Quick response and High sensitivity Simple drive circuit Stable and long lifespan
Dimensions & Weight
Dimensions 1.97 in x 0.79 in x 0.51 in (5 cm x 2 cm x 1.3 cm)
Weight 0.18 oz (5 g)
Packing List
1 x MQ-3 Analog Alcohol Sensor

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Rate US$4.19 shipped US$4.17 shipped US$4.16 shipped

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