CO2 Sensor Arduino Compatible

DFRobotSKU: RB-Dfr-485
Manufacturer #: SEN0159

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Sale price $51.29
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In stock


  • First CO2 sensor in OSHW market
  • Onboard highly sensitive MG-811 sensor module and potentiometer
  • Conditioning circuit for amplifying output signal
  • Interface: Analog

The CO2 Sensor Arduino Compatible is the first CO2 sensor in OSHW market. The output voltage of the module falls as the concentration of the CO2 increases. The potentiometer onboard is designed to set the threshold of voltage. As long as the CO2 concentration is high enough (voltage is lower than threshold), a digital signal (ON/OFF) will be released. It has MG-811 sensor module onboard which is highly sensitive to CO2 and less sensitive to alcohol and CO, Low humidity & temperature dependency. All components have industrial quality which means stability and reproducibility.

CO2 Sensor Arduino Compatible- Click to Enlarge

Onboard heating circuit brings the best temperature for sensor to function. 5V power input will be boosted to 6V for heating. This sensor has an onboard conditioning circuit for amplifying output signal.


  • One digital output
  • High quality connector
  • Immersion gold surface
  • Onboard heating circuit
  • 5V operating voltage



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