I really can't find anything that helps me get over this error. It is embarrassing to admit to what might be a simple fix. If I am right to think that I must declare a variable before I use it. I understand the phraseology but how to implement it. I would like to know why this mistake is present wh…

Exit status 1 'calculateSum' was not declared in this scope

Idahowalker October 18, 2021, 10:57pm 6

Unplug your device, check which comports are available in the IDE. Plug your device in, does a new comport show up?

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