X-2812B Test

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

https://youtu.be/ApgWs4l2y_U

X-8266 X1

X-Battery Shield X1

X-2812b X1

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.