## Lesson 2.2: Slow down the change of the brightness of the LED

**>>>>>>>>This lesson is an expansion of the Lesson 2.1**

Hardware required for this lesson, the configuration of the arduino IDE, and the wiring between the LED module and the control board is in the same way as **Lesson 1.1**.

![](../media/485b0573e3c4e14d9b5c7df37c1223fb.png)

![](../media/2f2321ff4900efb42453e5142e066829.png)