Button

Setup

2. Include the library

Just add the code below on the top of the file.

3. Create a EasyButton object

Create as many object as the number of button needed.

4. Create a call back function

A new fucntion must be created to be executed when the button is pressed. It can have any name.

5. Initialize and update the button

Initialize the button by calling the method begin() within the setup() function. Also define which function should be called, when the button is pressed.

To assure the button state is updated, the method read(), must be called in the loop() function.

Example

The example below how to turn a led on and off by pressing a button.

Advance features

It is also possible to use other 2 attach functions, onPressedFor and onSequence, which provide a different behaviour when the button is clicked.

The onPressedFor function detect when a button has been pressed for a given time.

The onSequence function will call a function if the button is pressed a number of times in a period of time.