#include <DHT.h>



#include <Wire.h>
#include <LiquidCrystal_I2C.h>


#define DHTPIN 8
#define DHTTYPE DHT11
DHT cat(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27 , 16 , 2 );


float deger = 0;
const int trig = 10;
const int echo = 11;
const int red = 2;
const int blue = 3;
const int green= 4 ;
const int white= 5; 
const int buz = 6;

float sure ;
float mesafe;



void setup() 
{
  pinMode( trig, OUTPUT); 
  pinMode( red, OUTPUT); 
  pinMode( blue, OUTPUT); 
  pinMode( green, OUTPUT); 
  pinMode( white, OUTPUT); 
  pinMode( buz, OUTPUT); 
  pinMode(8,OUTPUT);
  pinMode(echo, INPUT);
  pinMode(7,INPUT);
lcd.begin();
cat.begin();
Serial.begin(9600);
Serial.println(deger);
}

void loop() 
{
 Serial.println(mesafe);
 lcd.backlight();
 float t = cat.readTemperature();
 float h =  cat.readHumidity();
 digitalWrite(trig,HIGH );
 delay(1);
 digitalWrite(trig,LOW);
 sure = pulseIn(echo,HIGH);
 mesafe = (sure/2)/29.1;

lcd.clear();
 lcd.home();
 lcd.write(mesafe);

 


  digitalWrite(buz,LOW);
  digitalWrite (red ,LOW);
  digitalWrite(green,LOW);
  digitalWrite(blue ,LOW);
  digitalWrite(white ,LOW);
  if  (mesafe <= 5) 
 { 
 digitalWrite(buz,HIGH);
 digitalWrite (red ,HIGH);
 
 digitalWrite(green,HIGH);
 digitalWrite(blue ,HIGH);
 digitalWrite(white ,HIGH);
 }

  else if  (mesafe <= 10) 
 {

 digitalWrite(buz,HIGH);
 digitalWrite (red ,HIGH);
 delay(50);
 digitalWrite(buz,LOW);
 digitalWrite(red ,LOW);
 delay(100);
 }
   else if  (mesafe <= 25) 
 {
 digitalWrite(buz,HIGH);
 digitalWrite (green ,HIGH);
 delay(50);
 digitalWrite(buz,LOW);
 digitalWrite(green ,LOW);
 delay(200);
 }

 else if  (mesafe <= 50)
 {
 digitalWrite(buz,HIGH);
 digitalWrite (blue ,HIGH);
 delay(50);
 digitalWrite(buz,LOW);
 digitalWrite(blue,LOW);
 delay(500);
 }

 
 

else
{
  digitalWrite (white,HIGH);
  delay(50);
  digitalWrite(white,LOW);
  delay(1000);
  
  }
 

}