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X-2812b has 4 ws2812b RGB LEDs. You can have a look at this video first.

https://youtu.be/ApgWs4l2y_U

Step 1: X-project Member

Step 2: Test Code

Library

https://github.com/adafruit/Adafruit_NeoPixel

Code example

https://github.com/lspoplove/D-duino/blob/master/X-Project/ws2812/ws2812b.ino

There is a dial switch which you can adjust D3~D10 to control ws2812.

Do not forget dial number 1 to the right side.

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