/********************************************************************
* TITLE:TEMPERATURE AND HUMIDITY SENSOR ONLINE SIMULATION SOFTWARE*
******************SUBMITTED BY: MEYNARD F. GAJANA******************
******************SUBMITTED TO: MR. MICHAEL SAMONTE****************
********************************************************************/
#include <DHT.h>;
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 20 chars and 4 line display,Pls check your lcd.
//Constants
#define DHTPIN 15 // what pin we're connected to
#define DHTTYPE DHT22 // DHT 22
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor for normal 16mhz Arduino
//Variables
//int chk;
int h; //Stores humidity value
int t; //Stores temperature value
void setup()
{
Serial.begin(9600);
Serial.println("Temperature and Humidity Sensor Test");
dht.begin();
lcd.init(); //initialize the lcd
lcd.backlight(); //open the backlight
}
void loop()
{
//Read data and store it to variables h (humidity) and t (temperature)
// Reading temperature or humidity takes about 250 milliseconds!
h = dht.readHumidity();
t = dht.readTemperature();
//Print temp and humidity values to serial monitor
Serial.print("Humidity: ");
Serial.print(h);
Serial.print(" %, Temp: ");
Serial.print(t);
Serial.println(" ° Celsius");
// set the cursor to (0,0):
// print from 0 to 9:
lcd.setCursor(0,0);
lcd.println(" Meynard F. Gajana ");
lcd.setCursor(0,1);
lcd.println(" BET-ESET 3A NS ");
lcd.setCursor(0, 2);
lcd.println(" Now Temperature ");
lcd.setCursor(1, 3);
lcd.print("T:");
lcd.print(t);
lcd.print("C");
lcd.setCursor(8, 3);
lcd.println("ACT3 ");
lcd.setCursor(14, 3);
lcd.print("H:");
lcd.print(h);
lcd.print("%");
delay(1000); //Delay 1 sec.
}