alogritma2018termometer

//Program Termometer Digital
//Creator Ardumotive
//Edited by Fauzan, Farhan, Syahrizal

//Library
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include <DHT.h>

//Constants
#define DHTPIN 10
#define DHTTYPE DHT22
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);
DHT dht(DHTPIN, DHTTYPE);

//Variables
int hum;  //variabel kelembapan
int temp; //variabel suhu
int hic; //komputasi perhitungan suhu dibandingkan kelembapan
int maxTemp=0;
int minTemp=100;
int maxHum=00;
int minHum=100;

void setup() {
  Serial.begin(9600);
  Wire.begin();
  display.begin();
  display.setContrast(45);
  display.clearDisplay();
  display.setTextColor(BLACK);
  display.setCursor(0,13);
  display.print("  TERMOMETER ");
  display.setCursor(0,23);
  display.print("  DIGITAL   ");
  display.display();
  delay(3000);
  display.clearDisplay();
}

void loop() {

  hum = dht.readHumidity(); //membaca kelembapan
  temp = dht.readTemperature(); //membaca suhu
  hic = dht.computeHeatIndex(temp, hum); //komputasi suhu
  if (temp>maxTemp){
    maxTemp=temp;
  }
  if (temp<minTemp){
    minTemp=temp;
  }
  if (hum>maxHum){
    if (hum==100){
      maxHum=99;
    }
    else{
      maxHum=hum;
    }
  }
  if (hum<minHum){
    if (hum==100){
     minHum=99;
    }
    else{
      minHum=hum;
    }
  }
  Serial.print("Kelembapan: ");
  Serial.print(hum);
  Serial.print(" \t");
  Serial.print("Suhu: ");
  Serial.print(temp);
  Serial.print(" oC ");
  Serial.print("\t");
  Serial.print(hic);
  Serial.print(" oC ");
  Serial.print(" \n");


  display.clearDisplay();
  display.setCursor(0,0);
  display.setTextSize(1);
  display.println("  KELEMBAPAN  ");
  display.println("-------------");
  display.print("MAX ");
  display.print(maxHum);
  display.print(" MIN ");
  display.println(minHum);
  display.print("   ");
  display.setTextSize(3);
  display.print(hum);
  display.setTextSize(2);
  display.print("%");
  display.display();

  delay(5000);
  display.clearDisplay();
  display.setCursor(0,0);
  display.setTextSize(1);
  display.println("     SUHU ");
  display.println("-------------");
  display.print("MAX ");
  display.print(maxTemp);
  display.print(" MIN ");
  display.println(minTemp);
  display.print("  ");
  display.setTextSize(3);
  display.print(temp);
  display.setTextSize(2);
  display.print("oC");
  display.display();
  delay(5000);
}