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Keyboard.println()
Description
Sends a keystroke to a connected computer, followed by a newline and carriage return.
Keyboard.println() must be called after initiating Keyboard.begin().
Syntax
Keyboard.println()
Keyboard.println(character)+
Keyboard.println(characters)
Parameter Values
- character: a char or int to be sent to the computer as a keystroke, followed by newline and carriage return.
- characters: a string to be sent to the computer as a keystroke, followed by a newline and carriage return.
Return Values
- Number of bytes sent. Data type: size_t.
Example Code
#include <Keyboard.h>
void setup() {
// make pin 2 an input and turn on the
// pullup resistor so it goes high unless
// connected to ground:
pinMode(2, INPUT_PULLUP);
Keyboard.begin();
}
void loop() {
//if the button is pressed
if (digitalRead(2) == LOW) {
//Send the message
Keyboard.println("Hello!");
}
}
※ NOTES AND WARNINGS:
When you use the Keyboard.println() command, the Arduino takes over your keyboard! Make sure you have control before you use the command. A pushbutton to toggle the keyboard control state is effective.
See Also
- Language : Arduino - Keyboard
- Language : Keyboard.begin()
- Language : Keyboard.end()
- Language : Keyboard Modifiers
- Language : Keyboard.press()
- Language : Keyboard.print()
- Language : Keyboard.release()
- Language : Keyboard.releaseAll()
- Language : Keyboard.write()
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