Android default Node-ID is not unique #16

Hi,

the default Node-ID in the Android App

causes issues with uploading data to OTM, because OTM rightfully only accepts one connection per Node-ID at a time.

The Read-Me

lead me to expect, that the board tells the Android App its correct Node-ID.

There shouldn't be a default Node-ID. The app could instead generate a 12 digit unique identifier. Or leave the Node-ID string empty like

.