https://github.com/snakeye/co2-sensor

Compact MH-z19b based CO2 sensor device
https://github.com/snakeye/co2-sensor

co2-sensor esp8266 esp8266-arduino mh-z19 mqtt

Last synced: 19 days ago
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Compact MH-z19b based CO2 sensor device

• Host: GitHub
• URL: https://github.com/snakeye/co2-sensor
• Owner: snakeye
• License: mit
• Created: 2018-10-21T17:21:13.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2024-05-01T14:00:56.000Z (6 months ago)
• Last Synced: 2024-10-16T22:39:33.155Z (20 days ago)
• Topics: co2-sensor, esp8266, esp8266-arduino, mh-z19, mqtt
• Language: HTML
• Homepage:
• Size: 529 KB
• Stars: 7
• Watchers: 4
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Carbon Dioxide Sensor MH-Z19b

The carbon dioxide sensor module MH-Z19b is a cheap and very simple sensor with the UART interface allowing concentration measurement in the range up to 5000ppm.

This project is a prototype device using this sensor and built with ESP8266 module.

![CO2 Sensor](images/co2-sensor.jpg)

The hardware design was made with Eagle CAD and available in the directory `eagle`.

The firmware for the device is written using PlatformIO and Arduino platform.