If you just want to try Phazerville firmware on Teensy 4, all you need is a normal (not VOR) version of the Ornament and Crime boards... with Teensy 3.2 installed in a socket. (sadly, it seems many were built with Teensy 3.2 hard soldered). If...
Hi @Leetut
a quick one to try - can you make the delay in the loop a bit longer and see if that helps, I found neotrellis locks up if polled any quicker than 12ms.
I used a loop of 20ms for reading the keys and let everything else run as quick...