ALCOHOL AND BENZINE SENSOR Module MQ3 (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