This is very simple project to make your Christmas Tree beautiful.
Basic soldering skills needed.
Adruino sketch:
http://wpqrek.blogspot.com/2016/12/christmas-star-ornament-made-using.html
Example parts:
https://www.aliexpress.com/item/Newest-WS2812B-WS2811-WS2812-built-in-SMD-5050-Led-pixel-module-PCB-Addressable-RGB-modules-Strip/1897830725.html
https://www.aliexpress.com/item/AC-100V-240V-DC-12V-Power-Supply-Adapter-transformers-1A-2A-3A-5A-6A-8A-Charger/32700591748.html
https://www.aliexpress.com/item/ProMini-ATmega328P-5V-Compatible-for-Arduino-Pro-Mini/32525859745.html
https://www.aliexpress.com/item/THGS-200M-30AWG-Tin-Plated-Copper-Wire-Insulation-Wrapping-Cable-Roll-Black/32749596037.html
Carefree by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1400037
Artist: http://incompetech.com/
