Adafruit fadecandy dithering usb driver for neopixels addressable leds adafruit 1689 p the adafruit fadecandy driver is a purpose built controller for making technical artistic and just plain fantastic displays using neopixels and addressable leds it can drive up to 512 x rgb leds arranged in an 8 x 64 pattern and you can control them all via 1 x micro usb port from windows mac os linux and raspberry pi the fadecandy board is part of a larger system aimed at opening people s creativ