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HESSWAY RS485 DIY CO2 PPM Sensor Controller 0 10V/AC for Air Quality Monitor Indoor Outdoor Humidity Temperature VOC Detector|Gas Analyzers| - AliExpress
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![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
![In this project, I made a DIY CO2/ TVOC Monitor on Arduino, it can display the CO2 PPM on ESP32 3.2 inch LCD. It can monitor the CO2 level in the room In this project, I made a DIY CO2/ TVOC Monitor on Arduino, it can display the CO2 PPM on ESP32 3.2 inch LCD. It can monitor the CO2 level in the room](https://external-preview.redd.it/5NzOOcTJrqx_3yH4L7poAdd5-QLa9DXQkN6mnX8RYnA.png?format=pjpg&auto=webp&s=5d4296696c5562edec64ffd0e87b9e17dd17f08d)
In this project, I made a DIY CO2/ TVOC Monitor on Arduino, it can display the CO2 PPM on ESP32 3.2 inch LCD. It can monitor the CO2 level in the room
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