//lcd
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 13, 0, 1, 2, 3);

// keypad
int rij [4] = {11, 10, 9, 8}; // elke rij naar Arduino output
int kol [4] = {7, 6, 5, 4}; // elke kolom naar Arduino input met pull-up

// OUTPUTS UNO
int siren = A2, red_led = A4, blue_led = A3;
//INPUTS UNO
int pir = A5, door = A0, panic = A1;

void setup() {
  
  init_lcd();
  initPins();
  Serial.println("Init finished, ready to scan");

}

void loop() {

  check_keypad();
  check_sensoren();

}