其中，Arduino的#2数字引脚先通过一个330欧姆电阻器，再通过跳线连接到LED灯带中间的Din引脚。 接下来，下载 FastLED 库，在Arduino IDE中打开库。

To rectify this, some time ago, [Mark Kriegsman] built an Arduino program that makes LEDs twinkle beautifully. The program is known as TwinkleFOX, and relies on the popular FastLED library for ...

Normally, when a project calls for addressable LEDs, we just throw a strip of WS2812s and an Arduino together, cobble together some code from the examples in the FastLED library, and call it a day.… ...