More pin inputs

i am using the pins and some aluminum foil to make a little controller for the micro:bit and i seem to have run out of pins to make a down and A button. (i also plugged in an oled screen for the micro:bit:

and if youre curious about the controller, here is what it looks like:
(the black part is the screen and there are holes in the back so i can plug the foil to the micro:bit)

yeah, i need more inputs

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