Scd30 co2 sensor

Introduction

CO2 sensor by Sensirion. https://sensirion.com/products/catalog/SCD30/ Based on NDIR technology. Temperature and humidity according to the SHT31 sensor on board.

See https://learn.adafruit.com/adafruit-scd30

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Connect

• Board Vin (Red) to Arduino 5V
• Board Gnd (black) to Arduino Gnd
• Board SCL (yellow) to Arduino SCL
• Board SDA (blue) to Arduino SDA

Theory

Air quality

https://sensirion.com/media/documents/87EDEFB9/62601F86/Sensirion_Indoor-Air-Quality_Brochure.pdf

Manuals

• User guide: https://sensirion.com/media/documents/84D49268/616536CB/Sensirion_CO2_Sensors_SCD30_Design-In_Guidelines_D1.pdf
• Datasheet: https://sensirion.com/media/documents/4EAF6AF8/61652C3C/Sensirion_CO2_Sensors_SCD30_Datasheet.pdf
• Interface (API): https://sensirion.com/media/documents/D7CEEF4A/6165372F/Sensirion_CO2_Sensors_SCD30_Interface_Description.pdf

Codes

Adafruit library: Adafruit SCD30 (and Adafruit Unified Sensor is installed automatically).

Find an example code from File -> Examples -> Adafruit SCD30

Sensition sample code: https://github.com/Sensirion/embedded-scd/releases/tag/2.1.1

Arduino Coding

https://www.arduino.cc/reference/en/libraries/sparkfun-scd30-arduino-library/

https://learn.adafruit.com/adafruit-scd30/arduino

Raspberry Pi Coding

https://pypi.org/project/scd30-i2c/

https://github.com/Sensirion/raspberry-pi-i2c-scd30

https://github.com/postronium/SCD30-Raspberry-Pi

https://simplepush.io/blog/monitor-co2-with-raspberry-pi