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What is MQ3 Alcohol Sensor Overview and Benefits about?

The MQ3 alcohol sensor is a metal oxide semiconductor that can detect alcohol concentrations between 25 and 500 ppm. It works on 5V DC and draws 800mW of power. The sensor has a digital pin (D0) that provides a signal for the presence of alcohol and an analog pin (A0) that outputs a voltage proportional to the alcohol concentration. MQ135 is another alcohol sensor that uses tin dioxide to increase conductivity when exposed to alcohol vapors, allowing gas concentration to be determined through simple electro

Author

hodece ece

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EN