The necklace consists of a series of Neopixel LED strips, housed within a tidy 3D printed housing made with flexible filament. A dovetail joint makes putting on and removing the necklace a cinch.

The build relies on an Arduino Pro Mini to run the show, paired with a DS3231 real-time clock module. ... The individual triangles are each lit by a NeoPixel LED, ...

There are several types of LED strips but this article will focus on driving LED arrays which use WS2811 4 and WS2812 4 driver chips. This is in part because products like Adafruit’s NeoPixel strips ...

Makers, developers and hobbyists that use the NeoPixel/WS2812B LED strips may be interested in a new piece of hardware, LED Corners, which have been ...

The NeoPixel RGB Neon-like LED Flex Strip contains 60 LED along the meter but in groups of 3-LEDs-per-pixel. So basically, in your NeoPixel program, this looks like a 20-pixel-long strand.