APT is able to control focusers via ASCOM drivers, INDIGO / INDI as well as Meade focusers.
In order to use
INDIGO / INDI is needed connection to server running on RaspberryPi, ASIAir, StarMaster, StellarMate, or Linux/MacOS computer.
For information about focusers control see the
Focuser section in
Gear tab.
The focuser connection is used or can be used by the following APT features: