Alcohol Gas Sensor MQ-3
$4.00
This alcohol sensor is suitable for detecting alcohol concentration on your breath just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple all it needs is one resistor. A simple interface could be a 0-3.3V ADC.
Description
This alcohol sensor is suitable for detecting alcohol concentration on your breathjust like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simpleall it needs is one resistor. A simple interface could be a 0-3.3V ADC.
Please review the datasheet for conversions to ppm then Wikipedia.org for BAC.
Dimensions:
16.8mm diameter
9.3 mm height without the pins
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