Quote:
Originally Posted by unlovedwarrior
on a table and i want it to say a message led
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You'll still need to be more helpful in your posts than this if you want help. Forgive me if English is not your first language.
It's not clear why you need a program. It's easy to turn leds on and off using some IC's instead of a program but it depends on how clever you want the leds to be and how many. Otherwise I'll guess and say your best bet would be to use a microcontroller unless you don't have access to a way of programming one.
If you want to use a PC, then you should be able send bytes out from the parallel port depending on things like your OS.