#include <LiquidCrystal.h>
#include <dht.h>

int tempPin = 3; // Defines pin number to which the sensor is connected
dht DHT; // Create a DHT object

int RS = 13;
int EN = 12;
int D4 = 11;
int D5 = 10;
int D6 = 6;
int D7 = 5;

LiquidCrystal lcd(RS, EN, D4, D5, D6, D7);

int LED = 8;
int BZ = 7;
int count = 0;

void setup() {

pinMode(LED, OUTPUT);
pinMode(BZ, OUTPUT);
digitalWrite(LED, LOW);
digitalWrite(BZ, LOW);
lcd.begin(16, 2);
lcd.setCursor(3, 0);
lcd.print("WELCOME TO");
lcd.setCursor(2, 1);
lcd.print("Digitronic");
delay(1000);
lcd.clear();
}

void loop() {
int readData = DHT.read22(tempPin); // Reads the data from the DHT
float TEMP = DHT.temperature; // Gets the values of the temperature
float HUMI = DHT.humidity; // Gets the values of the humidity
// float is using to handle a decimal number


if (TEMP >= 30){
digitalWrite(LED, HIGH);
digitalWrite(BZ, HIGH);
lcd.setCursor(0, 0);
lcd.print("TEMP is HIGH: ");
lcd.print(TEMP);
delay(1000);

}

else {
digitalWrite(LED, LOW);
digitalWrite(BZ, LOW);
lcd.setCursor(0, 0);
lcd.print("TEMP is LOW: ");
lcd.print(TEMP);
delay(1000);
}

if (HUMI >= 50){
digitalWrite(LED, HIGH);
digitalWrite(BZ, HIGH);
lcd.setCursor(0, 1);
lcd.print("HUMI is HIGH: ");
lcd.print(HUMI);
delay(1000);
}

else {
digitalWrite(LED, LOW);
digitalWrite(BZ, LOW);
lcd.setCursor(0, 1);
lcd.print("HUMI is LOW: ");
lcd.print(HUMI);
delay(1000);
}
}