#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#define DHTPIN 2 
#define DHTTYPE DHT22   
DHT dht(DHTPIN, DHTTYPE);
#define ledm 3
#define ledb 4
#define ledh 5
#define led1 6
#define led2 7
#define led3 8
#define led4 9
#define led5 10
void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  dht.begin();
  pinMode(ledm, OUTPUT);
  pinMode(ledb, OUTPUT);
  pinMode(ledh, OUTPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
}

void loop() {
  delay(1000);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.println(F("°C "));
if(t>50){
  digitalWrite(ledm, HIGH);
  digitalWrite(ledb, LOW);
  digitalWrite(ledh, LOW);
}
else if(t<0){
  digitalWrite(ledb, HIGH);
  digitalWrite(ledh, LOW);
  digitalWrite(ledm, LOW);
}
else{
  digitalWrite(ledh, HIGH);
  digitalWrite(ledb, LOW);
  digitalWrite(ledm, LOW);
}
if(h <= 20){  
  digitalWrite(led1, HIGH);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
  digitalWrite(led5, LOW);
}
else if(h > 20 && h <= 40){  
  digitalWrite(led2, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
  digitalWrite(led5, LOW);
}
else if(h > 40 && h <= 60){  
  digitalWrite(led3, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led4, LOW);
  digitalWrite(led5, LOW);
}
else if(h > 60 && h <= 80){  
  digitalWrite(led4, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led5, LOW);
}
else if(h > 80 && h <= 100){  
  digitalWrite(led5, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
  digitalWrite(led2, LOW);
}
  lcd.setCursor(0, 0);
  lcd.print(h);
  lcd.setCursor(0, 1);
  lcd.print(t);

}