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hi i was wondering if it is possible to use this keypad instead of that one you have used in making arduino calculator? here is the link of the keypad http://no.farnell.com/eao/eco-16250-06/keypad-4x4-...
could i still use the same coding as you have used or do i need to change something?
thanx, could i ask you any questions later if i faced any problems? i really appreciate your help. it means a lot for me. you are best. :) wish me good lock
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