allows many Add-ons. Some of them were already implemented.
An additional DIY camera which tracks current tracking error and corrects it. This improves possible exposure times drastically.
Allows automatic fetching of current time and location help of a GPS module. This allows auto calculation of the hour angle. In addition the GPS information can be shared with Software tools like INDI or ASCOM thus enabling additional convenient features.
Assists the user during the initial tracker setup by displaying current level status on the display. An extra digital level module is used to provide the required data. Replaces the analog spirit level.
A smart addon allowing automatic polar alignment of the whole OAT