I want to present my demo development to the public. Diode star on the Christmas tree, with effects. And so, as free time is always not enough, I did not have time to finish it on time, that is, it will fall on the Christmas tree only next year. This is a "special" star, on top of a Christmas tree, made in the shape of a cone. For the "effects" I took the attiny2313 microcontroller. Less words, more ....