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Home of the Christmas Soldering project for 2024.
You will find everything you need to build your own in here.
Hardware: Custom PCB with ESP-C3-SUPERMINI and addressable RGB LEDs. Designed by Janos Föth.
Software: The awesome WLED for an easy start to get lights blinking. (we got a pre-configured version for you)
Find step-by-step instructions here, if you already have the soldering-kit at hand:
You can order the parts and build the blinking tree totally on your own.
This kit was developed for a soldering workshop and therefore to be solder-beginner-friendly.
Feel free to use it for your own soldering workshops. If you got ideas for improvement or feedback, please let us know e.g. via a github issue or email at
For getting a large amount of ESPs flashed efficiently, we developed a flash script plus the support to print the unique SSID+PW of each ESP on small labels with Brother QL Label Printers directly after flashing. Find instructions for it here. This way, everyone at the event knows which Wifi Access Point belongs to the own Blinking Tree.
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