I cannot use that variable outside of those curly braces. If I try to use that giraffe breath variable So here I made a function called my functionĬalled giraffe breath inside that function. It can't be used outside of that function. Here I can only use the cat breath variable inside the loop.Īnd create a variable inside that function Likewise, if I create a variable in the loop So let's take a look at an Arduino programĪnd we're looking at pretty much just a bare sketch.Īn integer called dog breath inside setupĪnd I'm trying to set the value of dog breath in the loop Roughly speaking variable scope has to do We're going to try to explain the very basics of There's a lot of technical details that you could dive into. Pretty sure doesn't have anything to do with mouthwash Are you getting the error your variable was not declared in this scope.
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