ALCOHOL AND BENZINE SENSOR Module MQ-3

Description

FEATURES

• Detects alcohol and benzin

• Operating voltage: 5V

• Operating current: 40mA

• Both digital and analog output

• Popular sensor – a lot of examples available for different platforms 

• Port explanation : AO for analog output, DO for digital output, GND for ground, VCC for 5V voltage input

DOCUMENTS

• SNS-MQ3 datasheet

• Setting up SNS-MQx sensors

• Experimenting with gas sensors and Arduino