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Alcohol Gas Sensor MQ-3

Alcohol Gas Sensor MQ-3

$6.93

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Overview

Extra 5% OFF storewide using code EOFY5

This semiconductor gas sensor detects the presence of alcohol gas at concentrations from 0.04 mg/L to 4 mg/L, a range suitable for making a breathalyser. The sensor’s simple analog voltage interface requires only one analog input pin from your microcontroller.

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