Those are just really small WS2812, I get those at 160 led per meter on a strip of 5 bucks per meter. I just mean to say they are cheaply available in many form

Those are just really small WS2812, I get those at 160 led per meter on a strip of 5 bucks per meter. I just mean to say they are cheaply available in many form factors. I use them a lot in cosplay clothing.