#include <Keypad.h>
#include <Servo.h>

Servo servo;

void setup() {
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(13, OUTPUT);
  pinMode(2, OUTPUT);
  digitalWrite (1, LOW);
  digitalWrite (2, LOW);
  servo.attach(12);
  //1 2 led 3 buzz 4 to 11 keypad 12 servo
}

const int rowNum = 4;
const int colNum = 4;
int x = 0;
int y = 0;

char keys[rowNum][colNum] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};

byte rowPin[rowNum] = {11, 10, 9, 8};
byte colPin[colNum] = {7, 6, 5, 4};

Keypad keypad = Keypad(makeKeymap(keys), rowPin, colPin, rowNum, colNum);

void loop() {
  int a = analogRead(A0);
  int b = analogRead(A1);
  // 0 to 1023
  delay(100);
  char key = keypad.getKey();
  int guess = key - '0';
  if (key!= NO_KEY){
    if (guess == 3){
      digitalWrite (2, HIGH);
      x = 1;
    }
    else{
      digitalWrite (2, LOW);
      tone(3, 250, 10000);
    }
  }
  if (a >= 700 and a <= 800 and b >= 1000) {
    digitalWrite (13, HIGH);
     y = 1;
  } 
  else {
    digitalWrite (13, LOW);
  }
  if (x == 1 and y == 1) {
    servo.write(180);
  }
  else {
    servo.write(0);
  }
}