Although the original idea was to go wireless, ZMK didn’t play nicely with that round display, which of course is non-negotiable.

You don’t need much to do a persistence of vision display. A few LEDs and a processor is all it really takes. [B45i] made a simple PC board with five LEDs and an ATtiny CPU. There’s a battery ...

Follow along here for highlights, scores and more from Justin Rose, Scottie Scheffler and others during the second round of the Masters.