I'm trying to find a way to store a number entered on a 4x4 keypad. I've successfully hooked up my keypad. mapped the keys and printed individual keypresses to the serial monitor but don't know how to combine them into a decimal number. Where do I go from here? The eventual goal is to write this nu…

How to enter numerical data?

cmiyc October 17, 2010, 6:09am 3

Hint: multiply a number by ten to shift it.

i = 4
i = 4 * 10
i = i + 2

i contains 42.

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