GitHub - ericwooshem/DIY-Frugal-Arduino-CO2-Sensor: DIY Frugal CO₂ Sensor: Arduino & inexpensive parts to build a sub-$100 system to track and evaluate COVID-19 risk using CO₂ levels to estimate ventilation and occupancy.
![Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm) - แท้จาก DFRobot - Arduino, Raspberry Pi, NodeMCU, IoT, Nvidia, Lora, AI, Machine Learning, Teensy, Lidar : Inspired by LnwShop.com Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm) - แท้จาก DFRobot - Arduino, Raspberry Pi, NodeMCU, IoT, Nvidia, Lora, AI, Machine Learning, Teensy, Lidar : Inspired by LnwShop.com](https://inwfile.com/s-o/tug7ue.jpg)
Gravity: I2C SCD41 Infrared CO2 Sensor (400 - 5000 ppm) - แท้จาก DFRobot - Arduino, Raspberry Pi, NodeMCU, IoT, Nvidia, Lora, AI, Machine Learning, Teensy, Lidar : Inspired by LnwShop.com
![Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling](https://www.jeffgeerling.com/sites/default/files/images/airgradient-diy-grafana-dashboard.png)
Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling
![Dfrobot Gravity Series High-performance Uart Ir Infrared Co2 Sensor 5v Dc 0-50000ppm Compatible With Arduino / Raspberry Pi Etc - Computer Cables & Connectors - AliExpress Dfrobot Gravity Series High-performance Uart Ir Infrared Co2 Sensor 5v Dc 0-50000ppm Compatible With Arduino / Raspberry Pi Etc - Computer Cables & Connectors - AliExpress](https://ae01.alicdn.com/kf/HTB10VUkPpXXXXXSXVXXq6xXFXXXF/DFRobot-Gravity-series-high-performance-UART-IR-Infrared-CO2-Sensor-5V-DC-0-50000ppm-compatible-with.jpg)
Dfrobot Gravity Series High-performance Uart Ir Infrared Co2 Sensor 5v Dc 0-50000ppm Compatible With Arduino / Raspberry Pi Etc - Computer Cables & Connectors - AliExpress
![Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling Monitoring my home's air quality (CO2, PM2.5, Temp/Humidity) with AirGradient's DIY sensor | Jeff Geerling](https://www.jeffgeerling.com/sites/default/files/images/AirGradient-DIY-Air-Quality-Sensor-Focus-Stacked.jpeg)