keyReleased() is a function that is called whenever a pressed key is released on a connected USB keyboard.
void keyReleased(){
//statements
}
#include <KeyboardController.h>
// Initialize USB Controller
USBHost usb;
// Attach Keyboard controller to USB
KeyboardController keyboard(usb);
void setup(){
Serial.begin(9600);
}
void loop(){
usb.Task();
}
void keyReleased() {
Serial.print("Key is released");
}