// Presses a key every once in a while on Arduino Leonardo / Pro Micro (ATMega32U4)

#include "Keyboard.h"

const int waitTime = 480000; // 8 minutes
const int buttonPin = 2;

void setup() {
  Serial.println("Starting HID");
  pinMode(buttonPin, INPUT_PULLUP);
  Keyboard.begin();
}

void loop() {
  int buttonState = digitalRead(buttonPin);
  
  if (buttonState == HIGH) {
    Serial.println("click");
    
    // press right ctrl
    Keyboard.press(132);
    delay(10);
    Keyboard.release(132);
  }
  else {
    Serial.println("LOW");
  }
  
  // wait 8 minutes
  delay(waitTime);
}