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Well, Christmas may over but we think you may take a look at this well designed PCB Christmas tree and why not consider building it for the next year.
Since I already have an Arduino, and I felt pretty comfortable with it, I decided to use it to control the LEDs. However a full Arduino is way too bulky for such a thing (also too expensive), so I decided to try my luck with something more integrated: a standalone ATMega328P chip directly soldered on the Christmas tree.
PCB Christmas tree – [Link]
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