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I think one method I find it really useful is .toInt(). At first, I don't know how to transform a string to an int. It took me some time to figure it out.
Besides, for the exercise 2-3, I want to reuse the function ledControl. But I don't know how to import the ledPin as a parameter:( I wish I can figure it out soon.
Is this a good/useful/informative piece of content to include in the project? Have your say!
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