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YouTubeMichael Klements
Connect A 4x4 Keypad To One Arduino Input
In this Tutorial video, I'm going to be showing you how to connect a 4x4 keypad to a single Arduino analogue input. A 4x4 keypad is a really useful Arduino project component, particularly for security access projects or projects requiring code inputs. These keypads typically require 8 IO pins in order to function. This tutorial only uses one ...
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