#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <DHT.h>  // Including library for dht
#include <Wire.h>
#define DHTPIN 11   
// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);
int e_ldr = 2, w_ldr = 3,m0=4,m1=5,l1=13,l2=7,m3=8,m4=9,rain=10,b=12;
unsigned int east,west,north,south,ea,we,no,so,du,a[20],i,j;
float h,t;
DHT dht(DHTPIN, DHT11);
void setup()
{
  
  pinMode(m0,OUTPUT);
  pinMode(m1,OUTPUT);
   pinMode(m3,OUTPUT);
  pinMode(m4,OUTPUT);
    pinMode(e_ldr,INPUT);
  pinMode(w_ldr,INPUT);
   pinMode(l1,INPUT);
  pinMode(l2,INPUT);
  pinMode(rain,INPUT);
   pinMode(b,OUTPUT);
  // initialize the LCD
  dht.begin();
 //pinMode(6, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  Wire.begin();
  lcd.begin(16,2);

  // Turn on the blacklight and print a message.
  lcd.backlight();
  lcd.print("Hello, world!");
   lcd.setCursor(0, 0);
  lcd.print("SOLAR PANEL  ");
  lcd.setCursor(0, 1);
  lcd.print(" tracking sytm! ");
  Serial.begin(9600);
  delay(2000);
 //lcd.setCursor(0, 0);
  //lcd.print("EAST:  TURN:     ");
  //lcd.setCursor(0, 1);
  //lcd.print("WEST:           ");
}

void loop(){
 int r=digitalRead(rain);
  float v,voltage;
   v=analogRead(A0);                                  
   voltage= v * (12.0 / 1023.0);                         

lcd.clear();
lcd.setCursor(0,0);
lcd.print("V: ");
lcd.print(voltage);
Serial.print("E:");
    Serial.print(digitalRead(e_ldr));
    Serial.print(" W:");
    Serial.println();
    lcd.setCursor(5, 0);
    //lcd.print(digitalRead(e_ldr));
    //lcd.setCursor(5, 1);
    //lcd.print(digitalRead(w_ldr)); 
    h = dht.readHumidity();
      t = dht.readTemperature();
      Serial.print("Temperature: ");
      
                             Serial.print(t);
                             Serial.print(" degrees Celcius, Humidity: ");
                               Serial.println(h);
                                   Serial.print("    " );
    
    lcd.clear();
lcd.setCursor(0,1);
lcd.print("T: ");
lcd.print(t);
lcd.print("H: ");
lcd.print(h);
   
   if(digitalRead(e_ldr)==0 && digitalRead(w_ldr)==1)
    {
      Serial.println("EAST-------------");
      //lcd.setCursor(12, 0);
     // lcd.print("EAST");
      digitalWrite(m0,HIGH);
      digitalWrite(m1,LOW);
      delay(100);
      digitalWrite(m0,LOW);
      digitalWrite(m1,LOW);
      delay(200);
    }
    else if(digitalRead(e_ldr)==1 && digitalRead(w_ldr)==0)
    {
      Serial.println("WEST-------------");
      //lcd.setCursor(12, 0);
     // lcd.print("WEST");
      digitalWrite(m0,LOW);
      digitalWrite(m1,HIGH);
      delay(100);
      digitalWrite(m0,LOW);
      digitalWrite(m1,LOW);
      delay(200);
    }
    else
    {
      digitalWrite(m0,LOW);
      digitalWrite(m1,LOW);
      //lcd.setCursor(12, 0);
     // lcd.print("STBL");
    }
    if(digitalRead(l1)==0 && digitalRead(l2)==1)
    {
      Serial.println("EAST-------------");
      //lcd.setCursor(12, 0);
      //lcd.print("north");
      digitalWrite(m3,HIGH);
      digitalWrite(m4,LOW);
      delay(100);
      digitalWrite(m3,LOW);
      digitalWrite(m4,LOW);
      delay(200);
    }
    else if(digitalRead(l1)==1 && digitalRead(l2)==0)
    {
      Serial.println("WEST-------------");
      //lcd.setCursor(12, 0);
      //lcd.print("sourth");
      digitalWrite(m3,LOW);
      digitalWrite(m4,HIGH);
      delay(100);
      digitalWrite(m3,LOW);
      digitalWrite(m4,LOW);
      delay(200);
    }
    else
    {
      digitalWrite(m3,LOW);
      digitalWrite(m4,LOW);
     // lcd.setCursor(12, 0);
      //lcd.print("STBL");
    }

 if(digitalRead(r)==0)
  {
      digitalWrite(b,HIGH);
       lcd.setCursor(12, 0);
      lcd.print("no rain");
  }
    if(digitalRead(r)==1)
   {
     
digitalWrite(b,LOW);
       lcd.setCursor(12, 0);
      lcd.print("rain");;
      }
}