I recently ordered this keypad: http://www.abra-electronics.com/products/TEL%252dKEY-Keypad%252d-12-Buttons.html Unfortunately, it has 8 pins while every tutorial I find only has code for 7 pins, which make more sense. I am unsure what the 8th pin is for and the 7 pin code doesn't even come close t…

Need Help with Arduino Keypad

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