Driving LEDs directly from the output pins without using a resistor

Face it GM, this is a battle that will never be over or won,

Yes but the teacher in me keeps on trying, just like the labors of Sisyphus, surely the patron Saint of educators ( except he predates saints by some way )

As a punishment for his trickery, King Sisyphus was made to roll a huge boulder up a steep hill. Before he could reach the top, however, the massive stone would always roll back down, forcing him to begin again.

That is the new intake of students :~
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