Just a test run but I finally finished my light painting setup. 144 RGB+W NeoPixel LEDs powered by a PixelBlaze v2 (Handles lighting patterns via wireless web browser interface):
Couple more tests with me swinging it around in the air like a retard in my living room and then just some demos of what it looks like in real time. Took the setup apart for now so i can get a suitable stick to mount it to and make an enclosure to secure the battery and board. The original one that I was testing with was literally just a broom stick with everything held in place with electrical tape, worked but janky as fuck. The NeoPixel LED brightness is off the charts blinding at max but I think I had them a little too dim for these shots.
If you're looking to do something similar I can't recommend the PixelBlaze v2 enough, takes a lot of the work out of building your own setup while still giving you plenty of room to tinker and build your own patterns.