also i found the answer https://stackoverflow.com/questions/61337148/adjacent-pixels-differ-by-more-than-2-possible-assignments-of-grey-levels-of-tw
https://shop.playtronica.com/touchme have you seen this
allrecords T396 OFFER OF THE DAY /T396 t415 cover days hours minutes seconds T142 SHOP NOW! T396 /T396 t758 Home / TouchMe T123 T123 T585 What's included & how it works You'll get: TouchMe MIDI controller USB cable + 2 alligator clips (for example, you can play on the water with them) Envelope for storage Tutorials from our team. We are constantly developing the product and releasing videos! Here is an example - how to play to a beat Responsive online support from our team How it works: All you need is a computer, our device and your body. Trust us, it is super easy - no music knowledge needed. As the area of touch and intensity changes, the music notes change as well. Pick any sound you like, and ...