CO2 meter and Xively logger with NDIR infrared sensor built on AVR ATmega328
This is an AVR ATmega328 based CO2, temperature and humidity logger and meter.
It logs data feed, CO2 in air in terms of ppm, temperature and humidity to a xively.com feed.
It also display realtime data to user through a 16×2 characters LCD.
This logger it is based on the xively logger you can found here: http://davidegironi.blogspot.it/2014/12/a-web-configurable-xively-logger-build.html
User can setup the ethernet connection address through a web interface. Network can be setup with a static IP address, or using DHCP. Also the Xively feed and API key to use to log data could be setup by the web interface.
Custom Channel ID for the xively feed could be setup in code, at compile time.
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