Hi all, I am new to the Ardunio programming, a total of 1 day experience. I am writing this code to work as a 1s up counter. I have the counter working but now I need to attach a button so that when pressed once it will halt the counter, pressed twice counter continues. I am using an attach interrup…

Attach interrupt query

yanamada22 April 1, 2014, 10:21am 3

[quote
How is a digitalRead ever going to return 3?
[/quote]

Return 3? sorry I am lost.

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