Arduino for Beginners - 2022 Complete Course - Functions

The video tutorial explains the importance of functions in programming, highlighting their role in making code reusable and efficient. It covers the steps to create a function, including defining data types, naming, and using parameters. The tutorial also distinguishes between functions that return values and those that do not, using the 'void' keyword. Examples demonstrate how to use functions in code, and the tutorial concludes with a recap and optimization tips.

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