This project is under development!!!
Current release should work for real-time CO2 monitoring 'out-of-the-box'.

This repository contains the firmware source code for a low-cost CO2 monitor built using platform.io framework, and standard ESP modules such Wemos Lolin32 and clones.

Check wiki for details.

• Realtime CO2 level (ppm) monitoring.
• 60 points historical data graph (with configurable average time).
• BLE interface for wifi setup using 3rd party app.
• Web dashboard for big display monitoring.
• Zero point calibration function.
• Chrome extension for real time CO2 level monitoring.
• Buzzer support for configurable ppm alarm level.
• More coming soon...

MIT License.