you essentially write code to set up your Arduino for a specific tasks or tasks, then run a continuous loop which gets called repeatedly by the Arduino microcontroller once your Sketch is uploaded ...

The Arduino IDE is a nice tool for starting out ... To illustrate, one set of the duplicated code in loop() can be extracted into a function, outPins, and the duplicate code can be manually ...

Making an Arduino-powered automatic trash bin that opens ... functions that can be called within other functions, like the loop function. You generally wouldn't need to modify anything in the ...