Sparkfun Electronics WS2812 Breakout Hookup Manual page 23

Mean Well LED Switching Power Supply
Hookup Guide
In this tutorial, we will be connecting a Mean Well LED
switching power supply to an addressable LED strip
controlled by an Arduino.
Check out these projects using the WS2812 addressable LEDs for more ideas:
Enginursday: Sound Wave Printing
JANUARY 5, 2017
Hardware Hump Day: Blade Runner Parasol
OCTOBER 4, 2017
Fashion Hacking: Infinity Mirror Heart Heels
FEBRUARY 13, 2018
IoTuesday: DIY Smart Backlit Mountain Scene
APRIL 25, 2017
Enginursday: X-Band Motion-Triggered Music
JUNE 29, 2017
Nixie LED Clock
MAY 8, 2018