Is 8 x 8 enough?
Adapted from a tutorial by Darwin Grosse
This Max tutorial, from Cycling 74, connects the builtin-camera to a Push display matrix, using Midi sysex codes. https://cycling74.com/wiki/index.php?title=Push_Programming_Oct13_03
If you set the frame rate high enough, you can clearly see motion.
I thought it would be interesting to display icons at this resolution, but its not very impressive. Here’s an example.
The 8 x 8 version is on the left. The original, on the right, is 57 x 57. Another problem is that the RGB quality of the Push is not very accurate for anything beyond primary colors. Here is the modified version of the patch.