Analog Pins stop working when using 7+ Digital Pins

Sorry but that makes no difference, you are seriously misunderstanding how LEDs work.

If LEDs are in parallel then in the extreme case it ends up with one LED taking all the current with the other taking none.

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I'm pretty sure I'm not misunderstanding anything. Only one digital pin is active at one time, thus only one LED is receiving a current at one time. This is the intended behavior. There isnever a need to have more than one LED on at one time. What is the problem?

The big problem here is in the concept of designing a circuit which is only safe providing a certain set of software conditions have been met. From a design point this is very very poor, and a disaster waiting to happen.

By activated do you mean set to a logic HIGH?
If so what is the not activated state? Is it set to a logic LOW or set to be an input?

So why did you place that one resistor where you did and have some LEDs able to be activated and have no resistor to limit the current?

Why did you not post the pictures in post #15 in the correct way?

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