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Our friends @ Evil Mad Scientist has two open source holiday kits AND the instructions are in PDF AND made wit ComicLife, nice work!

“We have written instructions for building two sweet microcontroller-based electronics projects for the holidays: an alphanumeric LED christmas tree ornament and an LED mini-menorah (hanukkiah).

These are open-source projects; You can download and modify the source code, use it to program your own microcontroller, and solder the microcontroller to some LEDs to help make your own holiday decorations.

If programming microcontrollers is not your idea of a good time, we understand. Not everyone has (1) access to a microcontroller programmer, (2) the time and (3) the desire to modify the firmware of their christmas tree ornaments.

In order to help our fellow citizens Evil Mad Scientists with their holiday projects, we’ve put together electronic soldering kits for these projects which we are selling at cost. Each $5 kit includes the parts and instructions to build either an LED christmas tree ornament or an LED mini-menorah”Link.