Bit of advice from the wise please, I want to be able to use the external interrupt pins on a 40 pin PDIP ATMega such as the 1284p / 644p/pa uController in a standalone project. What I have is three inputs wired individuality to digital 10, 11 and 2 (INT0(16), INT1(17) and INT2(3)). For the sake o…

Confusion about none working Interrupt 2 on a ATMega644P/1284P

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