Alcohol Gas Sensor - MQ-3

Alcohol Gas Sensor - MQ-3 Reviews

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972 Reviews

4.5

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Product details

Brand: Zhengzhou Winsen Electronics Tech

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like a common breathalyzer. It has a high sensitivity and fast response time. The sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple; it only needs one resistor. A simple interface could be a 0-3.3V ADC. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple: power the heater coil with 5V, add a load resistor, and connect the output to an ADC.

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Rated 3 out of 5 stars

Sensors are good, but we need to change it every month for a good reading of alcohol in vinegar.