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Disabling Alarm system with Hex Keypad
I am trying to figure out a way to disable an alarm system using a Hex (4x4) keypad. I am using two micro-controllers; one for the alarm itself, and a second one for the keypad. For the second micro-controller, i am looking for a code that will be able to not only disable the alarm using a set code, but also reset the entire system. The code used for this will be simply; "1, 2, 3, A"