Project 14：4 WS2812 RGB LEDs

1. Description

The driver shield cooperates 4 pcs WS2812 RGB LEDs, compatible with micro:bit board and controlled by P7. In this lesson, we will make the RGB LEDs display different colors by P7. In this lesson, 3 sets of test code are provided to make the 4 WS2812 RGB LEDs display different effects.

2. Preparation

  • Insert the micro:bit board into the slot of keyestudio 4WD Mecanum Robot Car V2.0

  • Place batteries into battery holder

  • Dial power switch to ON end

  • Connect the micro:bit to your computer via an USB cable

  • Open the Web version of Makecode.

3. Test Code1

Click“JavaScript” to switch into the corresponding JavaScript code:

4. Test Result1

Download code 1 to micro：bit, and dial POWER to ON end. All four WS2812RGB LEDs light up a different color a time cyclically.

5. Test Code2

Click“JavaScript” to switch into the corresponding JavaScript code:

6. Test Result2

Download code 2 to micro：bit, WS2812RGB LEDs display like flow light.

7. Test Code3

Click“JavaScript”to switch into the corresponding JavaScript code:

8. Test Result3

Download code 3 to micro：bit, every WS2812RGB light shows random color one by one.