The Adafruit Circuit Playground Express layout

The following diagram shows the locations of the LEDs that will be used in this chapter:

The pin 13 LED is a simple single red LED that will be used in the first recipe. There are a total of 10 NeoPixels on the board. Each NeoPixel is made up of a red, green, and blue LED. By controlling the individual brightness of each of these LEDs, you will be able to set any NeoPixel to a specific color.