Key pad

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ok have final project associates program need complete. idea have had quite while seems 1 don't know arduino , know if there kind of research books purchase online or @ store somewhere recommendations?

i associating key pad in project , know how read correct password on arduino , when right password has been entered, send signal perform other function. , if password wrong, lock until arduino reset.

i thinking connecting each number own digital pin on arduino , digital read each pin. i'm not quite sure how write code because push buttons switch low high , low

check out keypad library in playground starting point.


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