so i’m wondering if it’s possible to wire up tactile switches so they can set off an led when pressed while also being a function button (for example a dpad button) how would this be wired up if possible? this is how i’m guessing it would wire up but not sure. if anyone can confirm that would be app...

i am thinking of doing a Gameboy zero related thing but with a DS. obviously a dual-screen thing would be required. is this even possible to do? if so is it possible with the BW screens?

is it possible to switch between a BW screen and an HDMI monitor? I'm a noob so if this a stupid question I'm sorry