![]() There is no need to use interrupts.ĭetecting a change of the button is in this example : Īlthough I don't like that example, it show that the previous state of the button has to be remembered to detect a change. For example if you want to do do a control-c you. A complete list of these values can be found on the website at the link below and they are also in our libraries that we will be introducing later in the tutorial. When you want to transfer a mechanical button to the Keyboard object, then detect when the button is pressed and call Keyboard.press() and detect when the button is released for Keyboard.release(). Keyboard.write(KEYUPARROW) will emulate the pressing of the up arrow key on your keyboard. ![]() Often a delay of 100ms between them is okay.Ĭalling Keyboard.press() over and over again while a button is pressed it not okay. The button is released with Keyboard.release(). As soon as Keyboard.press() is called, the computer thinks that the button is kept pressing down. The computer will take care of the autorepeat while the button is pressed.Ĭall each of them just once. ![]() When you want more control, or more keys pressed at the same time, then you can use the Keyboard.press() and Keyboard.release(). Pressing a single button is done with Keyboard.write(), or Keyboard.print(). ![]()
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