9 LED BAR极光（视频）

Aurora 9 bar 极光显示效果

（视频长度1分31秒，建议在wifi下观看，土豪请随意...）

所用到的元件清单：

9x RGB LED (common-cathode)

3x 2N2907A or equivalent Transistor

1x PIC24FV16KA301 Microcontroller

1x 微动开关

9x 120 ohm Resistor

3x 220 ohm Resistor

4x 2.2k or 2.7k ohm Resistor

1x 10k ohm Resistor

1x 0.1 uF Ceramic Capacitor

1x 10 uF Multi-Layer Ceramic Capacitor

1x 33 uF Electrolytic Capacitor

1x Aurora 9 bar PCB

1x 3 pin接插件