[[... light-emitting diode display ...]]






















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With [Mark G. Saye]'s package [http://www.speakeasy.org/~msaye/tcl/led/],
"you can
create leds (labels) with different sizes and colors, and you can flash
them (toggle bg/fg colors and normal/active states), disable (and
resume) flashing. There's even a demo for Knight Rider fans."