#include<Keypad.h>
#include<Servo.h>
const byte ROWS=4;
const byte COLS=4;
int IR_PIN=13;
int IR_VCC=12;
int SERVO=11;
int REDLED=10;
int WHITELED=9;
int irvalue;
Servo motor1;

char hexaKeys[ROWS][COLS] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
byte rowPins[ROWS]={5,4,3,2};
byte colPins[COLS]={A0,A1,A2,A3};

Keypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins,ROWS,COLS);



void setup() {
  Serial.begin(9600);
  pinMode(IR_PIN,INPUT);
  pinMode(IR_VCC,OUTPUT);
 pinMode(REDLED,OUTPUT);
  pinMode(WHITELED,OUTPUT);
  motor1.attach(SERVO);
  
}

void loop() {
  char customkeypad=customKeypad.getKey();
  if(customkeypad){
  switch(customkeypad){
    case '1':
    Serial.println("Activating IR Sensor...");
    digitalWrite(IR_VCC,HIGH);
    irvalue=digitalRead(IR_PIN);
    if(irvalue==1){
      Serial.println("Value:0/LOW");
      }
      else{
        Serial.println("Value:1/HIGH");
      }
    delay(1000);
    break;

    case '2':
    Serial.println("Deactivating IR Sensor...");
    digitalWrite(IR_VCC,LOW);
    delay(1000);
    break;

    case 'A':
    digitalWrite(REDLED,HIGH);
    break;

    case 'B':
    digitalWrite(REDLED,LOW);
    break;

    case 'C':
    digitalWrite(WHITELED,HIGH);
    break;

    case 'D':
    digitalWrite(WHITELED,LOW);
    break;

    case '8':
    Serial.println("Rotating servo to 180...");
    delay(500);
    motor1.write(180);
    break;

    case '9':
    Serial.println("Rotating servo to 90...");
    delay(500);
    motor1.write(90);
    break;

    case '3':
    Serial.println("Rotating servo to 0...");
    delay(500);
    motor1.write(0);
    break;

default:
Serial.println("Press a key");
delay(1000);
}
}
}