Problem with button box - Project Guidance - Arduino Forum

Hi all. I just finished this button box, powered by an Arduino Leonardo: As you can see, it consists of a key switch, two hooded switches, a rotary encoder, 10 2-position switches (ON-OFF), one 3 position, momentary switch (ON-OFF-ON), and 10 push buttons (plus a handheld speaker with one more button). For ease of coding and wiring, the key, hooded switches, rotary encoder (but not it's push button) and the button in the speaker are individually wired to the Leonardo, and the rest (23 butto

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