Hi all, I just started with the Keypad library and I think I got the basics. I was able to build my own keypad 3X2 using push button and assigning characters "A-F". What I'm trying to do now is store these characters from getKey() in an array and return them as a string when user press "F". I hav…

Keypad Library... Returning a string after user pressed a certain character

UKHeliBob January 17, 2013, 12:14pm 7

I understand that getKey() is non blocking. What does it return if no key is pressed ?

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