====== Air quality log ======
This solution provides instant air quality measurements of temperature, humidity and CO2 concentration. Sensors BME280 and CSS811 are used, also SSD1306 two screens for current data and historical chart. Data periodically is sent to web server. Collected data displayed with {{https://www.chartjs.org|Chart.JS}} library 

^Version^Development^Language^Platform^Screenshot^
|1.0|Finished|Micropython \\ PHP Javascript | ESP32 |{{gallery>project:airqualitylog:airquality.png?100x100&lightbox}}|

Project on breadboard: {{gallery>project:airqualitylog:breadboard.jpg?200&lightbox}} Finished project: {{gallery>project:airqualitylog:finished.jpg?200&lightbox}}

{{tag>IoT InternetOfThings SmartMeter}}