Adafruit neopixel rings addressable rgb leds adafruit 1463 the adafruit 16 neopixel ring lets you address every single one of the 16 leds and set its 24 bit rgb value the result is 445mm 175in in diameter and is the height of bling these seemingly simple gadgets have triggered an amazing array of creative projects from watches and compasses to steampunk goggles and more each ring has solder pads for 5v dc and gnd plus data in and data out simply feed the data out from one into the