Introduction
The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer.
Specification
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Power supply needs: 5V
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Interface type: Analog
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Pin Definition: 1-Output 2-GND 3-VCC
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High sensitivity to alcohol and small sensitivity to Benzine
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Fast response and High sensitivity
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Stable and long life
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Simple drive circuit
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Size: 40x20mm
Shipping List
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Analog Gas sensor (MQ3) 1unit
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