This repository contains software and hardware design files needed to produce a general-purpose board to drive several strips of Neopixel LEDs.
I initially used an Nucleo-144 STM32H743ZI2 dev board along with several Neopixel 144 LED / meter strips to give my now-wife a light show as part of my proposal to her. Here is a link to the video, starting at the point where the little light show happens. Below is a few pictures of the setup:
