Christmas tree Arduino Shield with WS2812b
The circuit consists of 20 WS2812 leds, and a piezo buzzer, creating a nice show of multicolored lights while playing 'Jingle Bells'.
A pcb shaped Christmas Tree, is 'plant' directly on the Arduino, without requiring additional cables.
Adafruit Neopixel library is used for control de RGB leds WS2812.
This is de video:
Link [Christmas tree Arduino Shield with WS2812b ]