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Stock code: SPX-14751
The SCD30 from Sensirion is a high quality NDIR based CO? 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.
We’ve written an Arduino library to make reading the CO?, humidity, and temperature very easy. It can be downloaded through the Arduino Library manager: search for ‘SparkFun SCD30’ or it can be downloaded here. We recommend using a Qwiic Breadboard Cable to connect the SCD30 to a Qwiic compatible board. The YeLLow wire goes in the SCL pin. The SCD30 also supports a serial interface but we haven’t worked with it.
The CO? sensor works very well and for additional accuracy the SCD30 accepts ambient pressure readings. We recommend using the SCD30 in conjunction with the Qwiic Pressure Sensor - MS5637 or the Qwiic Environmental Sensor - BME680 to obtain the current barometric pressure.
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.
We do not plan to regularly stock all SparkX products so get them while they’re hot!