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

const byte ROWS = 4; // Four rows

const byte COLS = 4; // Three columns

// Define the Keymap

char keys[ROWS][COLS] = {

  {'1','2','3','A'},

  {'4','5','6','B'},

  {'7','8','9','C'},

  {'*','0','#','D'}

};

// Connect keypad ROW0, ROW1, ROW2 and ROW3 to these Arduino pins.

byte rowPins[ROWS] = { 2, 3, 4, 5 };

// Connect keypad COL0, COL1 and COL2 to these Arduino pins.

byte colPins[COLS] = { 6, 7, 8, 9 };

//  Create the Keypad

  Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );

 

DS1307  rtc(A4, A5);

Servo servo_test;      //initialize a servo object for the connected servo  

LiquidCrystal lcd(A0, A1, A2, 11, 12, 13); // Creates an LC object. Parameters: (rs, enable, d4, d5, d6, d7)

 //int angle = 0;    

// int potentio = A0;      // initialize the A0analog pin for potentiometer

 int t1, t2, t3, t4, t5, t6;

 

boolean feed = true; // condition for alarm

 char key;

 int r[6];

 

 void setup() 

 { 

  servo_test.attach(10);   // attach the signal pin of servo to pin9 of arduino

  rtc.begin();

  lcd.begin(16,2);

  servo_test.write(55); 

  Serial.begin(9600);

  pinMode(A0, OUTPUT);

  pinMode(A1, OUTPUT);

  pinMode(A2, OUTPUT);

  

 } 

 

 void loop() 

 { 

lcd.setCursor(0,0);

int buttonPress;

buttonPress = digitalRead(A3);

if (buttonPress==1)

 setFeedingTime();

 

//Serial.println(buttonPress);

 lcd.print("Time:  ");

 String t = "";

 t = rtc.getTimeStr(); 

 t1 = t.charAt(0)-48;

 t2 = t.charAt(1)-48;

 t3 = t.charAt(3)-48;

 t4 = t.charAt(4)-48;

 t5 = t.charAt(6)-48;

 t6 = t.charAt(7)-48;

 

 lcd.print(rtc.getTimeStr());

 lcd.setCursor(0,1);

 lcd.print("Date: ");

 lcd.print(rtc.getDateStr());

 

 if (t1==r[0] && t2==r[1] && t3==r[2] && t4==r[3]&& t5<1 && t6<3 && feed==true)

 { 

  servo_test.write(100);                   //command to rotate the servo to the specified angle 

   delay(400);   

  servo_test.write(55); 

  feed=false;

 } 

 }       

void setFeedingTime()

{

  feed = true;

   int i=0;

  lcd.clear();

  lcd.setCursor(0,0);

  lcd.print("Set feeding Time");

  lcd.clear();

  lcd.print("HH:MM");

  lcd.setCursor(0,1);

  

  while(1){

    key = kpd.getKey();

    char j;

    

  if(key!=NO_KEY){

    

    lcd.setCursor(j,1);

    

    lcd.print(key);

    

    r[i] = key-48;

    i++;

    j++;

    if (j==2)

    {

      lcd.print(":"); j++;

    }

    delay(500);

  }

  if (key == 'D')

  {key=0; break; }

  }

}