The sources of the video about making a homemade 14 Segment LED Display from an RGB LED strip and a picture frame.
Video: https://youtu.be/cl41VRbTOcg
Schema:
Android App (currently Alpha, if you have any question/comments please let me know).
https://play.google.com/store/apps/details?id=nl.leonvandenbeukel.FourteenSegmentApp