CO₂ Humidity and Temperature Sensor - SCD30
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The SCD30 from Sensirion is a high quality Nondispersive Infrared (NDIR) based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%). In order to improve accuracy the SCD30 has temperature and humidity sensing built-in, as well as commands to set the current altitude. For additional accuracy the SCD30 also accepts ambient pressure readings!
We\'ve written an Arduino library to make reading the CO₂, humidity, and temperature very easy. It can be downloaded through the Arduino Library manager: search for \'SparkFun SCD30\' or it can be found in the *Documents* tab above.
The SCD30 Humidity and Temperature Sensor can also be automatically detected, scanned, configured, and logged using the [OpenLog Artemis](https://www.sparkfun.com/products/16832) datalogger system. No programming, soldering, or setup required!
**Note:** The SCD30 has an automatic self-calibration routine. Sensirion recommends 7 days of continuous readings with at least 1 hour a day of \'fresh air\' for self-calibration to complete.
**Features:**
* Power supply voltage: 3.3V - 5.5V
* NDIR CO2 sensor technology
* Integrated temperature and humidity sensor
* Best performance-to-price ratio
* Dual-channel detection for superior stability
* Small form factor: 35 mm x 23 mm x 7 mm
* Measurement range: 400 ppm – 10.000 ppm
* Accuracy: ±(30 ppm + 3%)
* Current consumption: 19 mA @ 1 meas. per 2 s.
* Energy consumption: 120 mJ @ 1 measurement
* Fully calibrated and linearized
* Digital interface UART or I2C
**Documents:**
* [SCD30 Datasheet](https://cdn.sparkfun.com/assets/4/8/8/7/7/Sensirion_CO2_Sensors_SCD30_Datasheet.pdf)
* [Design-In Guidelines](https://cdn.sparkfun.com/assets/4/a/8/d/f/SPS30_Mechanical_Design_and_Assembly_Guidelines_v1.0_D1.pdf)
* [Low-Power Example App Note](https://cdn.sparkfun.com/assets/2/0/6/7/7/SCD30_Low_Power_Mode.pdf)
* [Interface Specification](https://cdn.sparkfun.com/assets/f/e/d/0/1/Sensirion_CO2_Sensors_SCD30_Interface_Description.pdf)
* [Arduino Library](https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library)
* [SCD30 Download Center](https://www.sensirion.com/en/download-center/carbon-dioxide-sensors-co2/co2-sensor/)