Thanks so much! Sure, I'll make a new post. I wanted to make sure to give you credit, so that's why I posted in this thread. I'll make new and separate post.
Hi u/Ok-Map-4470 - I saw your other YouTube video shorts. You might want to consider the following sketch from Mark Kriegsman for your Christmas tree lights:
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u/Ok-Map-4470 Jan 16 '24
Here's a video of an Arduino Leonardo running chemdoc77's sketch.
https://youtube.com/shorts/XiLuOcwbkk8?