GitHub - ares-consulting/co2: CO2 detection and reporting using a php backend, a raspberry pi and the MH-Z19 infrared CO2 sensor.
![Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor [STEMMA QT / Qwiic] : ID 4867 : $58.95 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor [STEMMA QT / Qwiic] : ID 4867 : $58.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4867-09.jpg)
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor [STEMMA QT / Qwiic] : ID 4867 : $58.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Photograph of a Raspberry Pi computer (top), a SenseAir K30 (NDIR) CO 2... | Download Scientific Diagram Photograph of a Raspberry Pi computer (top), a SenseAir K30 (NDIR) CO 2... | Download Scientific Diagram](https://www.researchgate.net/publication/318117792/figure/fig1/AS:512234988240896@1499137746287/Photograph-of-a-Raspberry-Pi-computer-top-a-SenseAir-K30-NDIR-CO-2-sensor-bottom.png)