#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <RTClib.h>
#define pin_triger 14
#define pin_echo 13
#define pin_dht 7
#define pin_ldr 4
#define rele 6
#define DHTTYPE DHT22


DHT dht(pin_dht, DHTTYPE);
RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27,16,2);


long UltrasonicSensor(){
  digitalWrite(pin_triger, 0);
  delayMicroseconds(2);
  digitalWrite(pin_triger, 1);
  delayMicroseconds(10);
  digitalWrite(pin_triger, 0);


  return pulseIn(pin_echo, 1);
}


void setup(){
pinMode(rele, OUTPUT);
pinMode(pin_triger, OUTPUT);
pinMode(pin_echo, OUTPUT);


lcd.init();
lcd.backlight();
lcd.clear();
lcd.setCursor(6, 0);
lcd.print("S, Embarcados");
lcd.setCursor(2, 1);
lcd.print("Hugo");
delay(2000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Aluno:");
lcd.setCursor(0, 1);
lcd.print("Teresa");

}

void loop(){
  int distancia = 0.01723 * UltrasonicSensor();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Distancia");
  lcd.setCursor(0, 1);
  lcd.print("Distancia_cm:");
  delay(2000);


  int valor_ldr = analogRead(pin_ldr);
  int luminosidade = map(valor_ldr, 0, 4095, 100, 0);


  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Lumnes:");
  lcd.setCursor(0, 1);
  lcd.print(luminosidade);
  delay(2000);


  float t = dht.readTemperature();
  float h = dht.readHumidity();


  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Temp:");
  lcd.setCursor(0,1);
  lcd.print(t);
  delay(2000);


  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("umidade:");
  lcd.setCursor(0, 1);
  lcd.print(h);
  delay(2000);

  if (luminosidade >=75 && (t >= 35 || h <= 80)){
    digitalWrite(rele, HIGH);
 
  } else{
  digitalWrite(rele, LOW);

}

}