SCD30 – CO2 & Temperature & Humidity Sensor

SCD30 – CO2 & Temperature & Humidity Sensor

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.


  • 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


  • Supply voltage: 3.3V / 5V
  • Operating temperature: 0 – 50℃
  • Storage temperature: – 40°C – 70°C
  • Humidity operating conditions: 0 – 95 %RH
  • Sensor lifetime: 15 years
  • Interface: I2C
  • I2C Address: 0x61



  • Air Purifier
  • Environmental Monitoring
  • Plant Environmental Monitoring

The sensor is available for $59.95 at and you can find more information in the Wiki.

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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