How to Put Arduino Code into a Function
Simplify your Arduino program by putting blocks of code into functions that are called in the loop. This way your Arduino sketch stays more organized and is easier to use.
0:00 How to wrap Arduino code in a function
0:24 Examine existing Arduino Sketch 031 add card
1:17 Cut code to put in function
1:40 Add function name to loop();
2:22 Add new function
2:44 Paste code in function
3:24 Make second function call
3:55 Copy existing code
4:30 Add second new function wrapper
4:49 Paste code into function
How to Create Functions in Arduino
In this Arduino tutorial, I will show you how to create simple functions to organize your code and make it easier to read and maintain.
First, we will create a function to control a servo motor. The function will take two parameters: the pin number of the servo motor and the desired position of the servo motor.
Next, we will create a function to blink an LED. The function will take one parameter: the pin number of the LED.
Finally, we will call the functions from the loop() function.
By creating functions, we can make our code more modular and easier to understand. We can also reuse functions in other projects.
Here are the steps on how to create functions in Arduino:
1. Define the function. The function definition starts with the keyword `void` followed by the name of the function. The name of the function should be descriptive and easy to remember.
2. Define the parameters. The parameters are the values that are passed to the function. The parameters are enclosed in parentheses after the name of the function.
3. Define the body of the function. The body of the function is enclosed in curly braces. The body of the function contains the code that is executed when the function is called.
4. Call the function. The function is called by using the name of the function followed by a pair of parentheses. The values of the parameters are enclosed in the parentheses.
I hope this tutorial has helped you learn how to create functions in Arduino.
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