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
-
Caption1
-
Caption2
-
Pins
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
NDIR
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
