A 10 letter 67 LED RGB sign, showing "ESCAPE" (rainbow colours) and "OPEN" (white). LEDs are controlled by an ATtiny2313 AVR microcontroller running @ 20MHz. The number of colours is 7 + off-state (Red, Purple, Green, Yellow, Blue, LightBlue, White, Blanked).
Number of main colours is: 2^RGB=8.
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