The app can read the serial port of the Arduino, get the date, time, position and altitude from the cell phone and send it together with the fluoride levels by any platform installed in the cell phone, e.g. WhatsApp, Line, e-mail, SMS, etc.
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Immenhofer Str. 23 70180 Stuttgart +49 711 4005350 email@example.com
Immenhofer Str. 17 70180 Stuttgart +49 711 4005350 firstname.lastname@example.org