Grove - CO2 & Temperature & Humidity Sensor (SCD30)


The Grove - SCD30 is a 3-in-1 CO2, temperature, and humidity sensor, it is a  high precision Non-Dispersive Infrared(NDIR) carbon dioxide sensor which can reach to ±(30 ppm + 3%) between 400ppm to 10'000ppm.

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The Grove - CO2 & Temperature & Humidity Sensor (SCD30) is a high precision carbon dioxide sensor, which is based on Sensirion SCD30. The measuring range of this sensor is 0 ppm-40'000 ppm, and the measurement accuracy can reach to ±(30 ppm + 3%) between 400ppm to 10'000ppm.
In addition to the Non-Dispersive Infrared(NDIR) measurement technology for CO2 detection, the SCD30 integrates Sensirion humidity and temperature sensors on the same sensor module.     
You can see that there is a monkey face graphic on the module, actually, this is a carbon dioxide molecular model. As you can see, the 4 valence electrons on each oxygen atom and also the covalent bonds between the carbon and oxygen atoms are clearly shown. 

Here is a lewis structure of the CO2 molecule: 

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We've released the Seeed Gas Sensor Selection Guide, it will help you choose the gas sensor that best suits your needs.

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We've Released the Grove Selection Guide and hope to help you find the Grove suit you best. 


  • NDIR CO2 sensor technology
  • Integrated temperature and humidity sensor
  • Best performance-to-price ratio
  • Dual-channel detection for superior stability
  • Digital interface I2C

Application Ideas

  • Air Purifier
  • Environmental Monitoring
  • Plant Environmental Monitoring



HSCODE 9027100090
USHSCODE 8473.30.5100

Grove - CO2 & Temperature & Humidity Sensor (SCD30)

This is the wiki page for this product, which will show you how to use the product, as well as details about the software and hardware.

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