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ARDUINO MQ-3 Alcohol Sensor

Item No.: ME075

1. Product features:
MQ series gas sensor probe, stable performance
The ethanol steam has good recognition.
Sensitivity adjustable, performance stability
Fast response speed, recovery speed
Working voltage 5V, digital quantity (TTL level) analog output dual output
2. Application:
Alcohol sensor is the name of a monitoring device specifically for alcohol.,.
3.The experimental components are as follows
Arduino controller *1
USB line *1
Alcohol sensor module *1
4.Module test
First of all, the pin of the next module is connected with the Arduino: VCC is connected with +5V, GND is received GND, DO is the digital port, A0 is connected with the analog port.

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