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Communication between 'administrator' and 'user' devices

ZZ_777

Lurker
I'm going to apologizes in advance for all the inaccuracies in what I am about to ask.

I'm a mechanical engineering student working on a project that has turned into some app development the only coding I know is a bit of MatLab- I am in way over my head.


I need to build something that will allow a course instructor to dictate the display of a students device 'user device' from their own device 'administrator device' . The bones of this project would be a set of buttons on the administrator device, and each one when selected would cause a figure to be displayed on the user device. It seems like a bluetooth output from the administrator device and and bluetooth input to the user device would be the right way to go, but I don't actually know if that's possible or what other other options would be...​


Any ideas, suggestions, or recommendations would be incredibly helpful
 
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