#RGB backlight for MinOrca  Example of adding WS2812b LEDs to a MinOrca. http://www.40percent.club/2016/08/tiny-whale.html The keymap is a work in progress. The RGB functions are accessed by holding down the TAB key. * Tab + Z Toggle on/off * Tab + X Mode * Tab + C Hue+ * Tab + V Hue- * Tab + B Saturation+ * Tab + N Saturation- * Tab + M Brightness+ * Tab + , Brightness- Example wiring: WS2812 data pin is connected to D5  