LiV is a configurable internet connected indoor air quality monitor. Users can replace existing sensors, add new sensors and modify and extend LiV&apos;s functionality in software (Python and C). LiV is open source ( cc-by-nc-sa 4.0 license for hardware and case, MIT license for software). FEATURES: ==================== - Measures CO2, temperature, humidity and air pressure - Real Time Clock - Instant Message alerts and reports (Jabber/XMPP) - Email alerts and reports - Twitter alerts and reports - Intranet website - IFTTT Maker Channel integration - Expandable set of JSON APIs - Supported IoT platforms: ThingSpeak, Xively, DeviceHive, Emoncms, data.sparkfun, <a href="http://analog.io" target="_blank">analog.io</a>. - Flexible Python development framework for adding new sensors and extend functionality.