RobotDyn Alcohol gas Sensor - MQ-3- module

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The sensor has a high sensitivity to alcohol vapors (SnO2), and fast response time.

The sensor can measure low concentrations of alcohol vapor in the air. The sensor may operate at temperatures ranging from -10 to 50 ° C and consumes about 900mA at 5V.

Analog and digital outputs - sensor has 2 outputs: digital output is a certain level of gas concentration, or analog output, which gives the actual value of the hydrogen concentration. Sensitivity can be adjusted by a potentiometer.

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