MQ7 Carbon Monoxide Gas Sensor Module

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Product Code: 71229
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MQ7 Carbon Monoxide Gas Sensor Module info

The MQ7 is a simple-to-use Carbon Monoxide (CO) sensor suitable for sensing CO concentrations in the air. It can detect CO-gas concentrations anywhere from 20 to 2000ppm. The sensitivity can be adjusted by the potentiometer.


  • Power supply needs: 5V
  • Interface type: Analog
  • Pin Definition: 1-Output 2-VCC 3-GND
  • High sensitivity to carbon monoxide
  • Fast response
  • Stable and long life
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