CARBON MONOXIDE SENSOR Module MQ7 (MQ-7)

FEATURES

• Detects carbon monoxide in the air.
• Operating voltage 5V
• Operating current 40mA
• Both digital and analog output
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• 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-MQ7 datasheet
• Setting up SNS-MQx sensors
• Experimenting with gas sensors and Arduino