See how LEDs are made! We're visiting World Semi's factory in Dongguan, China, just outside of Shenzhen. We'll see how the infamous WS2812 addressable RGB LED, aka the Neopixel, is made from bare silicon wafers to finished working LEDs. It's one of the coolest factories I've ever been to. They have amazing machines that do everything from bare die placement to wirebonding, to fascinating custom LED testing machines. Today we're going to see how it's made!