#include <LiquidCrystal.h> 
LiquidCrystal lcd(10,9,8,7,6,5); //rs,En,d4,d5,d6,d7 
const int ldrPin = A0; //the number of the LDR pin 
const int pirPin = 11;
const int streetLampPin = 12;

void setup() 
{ 
  Serial.begin(9600); 
  pinMode(ldrPin, INPUT); //initialize the LDR pin as an input
  pinMode(streetLampPin, OUTPUT); //initialize the Street Lamp pin as an output
  pinMode(pirPin, INPUT);
  lcd.begin(20,4); 
}
void loop()
{ 
  int ldrStatus = analogRead(ldrPin); //read the status of the LDR value //check if the LDR status is <= 300 
  int pirStatus = digitalRead(pirPin);

  lcd.clear(); 
  if (ldrStatus <=300 ) 
  { 
    Serial.println("LDR is DARK"); 
    lcd.setCursor(0,0); 
    lcd.print("DARK OUTSIDE");
    if(pirStatus == HIGH)
    {
      Serial.println("Motion Detected, Street Lamp Turned ON"); 
      lcd.setCursor(0, 1);
      lcd.print("Motion Detect");
      lcd.setCursor(0, 2);
      lcd.print("Turning ON Street");
      lcd.setCursor(0, 3);
      lcd.print("Lamp");
      digitalWrite(streetLampPin, HIGH);
    }
    else
    {
      Serial.println("No Motion Detected"); 
      lcd.setCursor(0, 1);
      lcd.print("No Motion Detect");
      lcd.setCursor(0, 2);
      lcd.print("Street Lamp Turned");
      lcd.setCursor(0, 3);
      lcd.print("OFF");
      digitalWrite(streetLampPin, LOW);
    }
    delay(300); 
  } 
  else
  { 
    Serial.println("LDR is Bright, Street Lamp Off");
    lcd.setCursor(0, 0);
    lcd.print("BRIGHTNESS OUTSIDE");
    lcd.setCursor(0, 1);
    lcd.print("Turning OFF Street");
    lcd.setCursor(0, 2);
    lcd.print("Lamp");
    digitalWrite(streetLampPin, LOW);
    delay(300);
  } 
}