Building an array or grid of leds from Neopixel strips? You might want one of these little boards I’ve come up with. Here is a video (terrible) of me soldering together a few strips into a 3 x 42 array. I found them to reduce the time and mistakes made when using individual wires.
OshPark is where you can oder the boards.
Questions? Please email me (ian @ mcyork.com)