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DIY, low cost esp-platform based CO2 monitor ;-)

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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.

Features

  • 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...

prototype picture

MIT License.
CC BY SA

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