combined balancing and 3 wheel robot

Heres a robot I have built and provide as a kitset to some robotics/coding after school programs:
https://www.instructables.com/id/Educat … eel-Robot/

Although the video doesn't show the remoteXY app, the later version uses it. See code here:
https://create.arduino.cc/editor/murcha … 9d/preview

I am soo impressed with teh remoteXY app.