#include "DHT22.h"
#define DHTPIN A4
#define DHTTYPE DHT22
DHT22 dht(DHTPIN);
float th = 0.0;

const int segment[] ={12,10,8,7,6,11,9,4};
const int digit[] = {5,13,3,};
unsigned long interval =0;
bool temp = false;
int laststate;
void setup() {
  // put your setup code here, to run once:
  for(int i = 0;i<=7;i++){    
    pinMode(segment[i], OUTPUT);
  }
  for(int i = 0;i<=3;i++){    
    pinMode(digit[i], OUTPUT);
  }
}
void tampil(int nilai)
{
    if (nilai == 0){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 0);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 1);
      digitalWrite(segment[7], 1);
  }
  if (nilai == 1){
      digitalWrite(segment[0], 1);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 1);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 1);
      digitalWrite(segment[6], 1);
      
  }
  if (nilai == 2){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 1);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 0);
      digitalWrite(segment[5], 1);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 3){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 1);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 4){
      digitalWrite(segment[0], 1);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 1);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 5){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 1);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 6){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 1);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 0);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 7){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 1);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 1);
      digitalWrite(segment[6], 1);
  }
  if (nilai == 8){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 0);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 0);
  }
  if (nilai == 9){
      digitalWrite(segment[0], 0);
      digitalWrite(segment[1], 0);
      digitalWrite(segment[2], 0);
      digitalWrite(segment[3], 0);
      digitalWrite(segment[4], 1);
      digitalWrite(segment[5], 0);
      digitalWrite(segment[6], 0);
  }
 
  digitalWrite(segment[7], 1);
}
void display(int a)
{
    tampil(a / 100);
    digitalWrite(digit[0], 1);
    digitalWrite(digit[1], 0);
    digitalWrite(digit[2], 0);
    delay(10);
    digitalWrite(digit[0], 0);
    tampil(a % 100 /10);
    digitalWrite(digit[0], 0);
    digitalWrite(digit[1], 1);
    digitalWrite(digit[2], 0);
    digitalWrite(segment[7], 0);
    delay(10);
    digitalWrite(digit[1], 0);
    tampil(a%10);
    digitalWrite(digit[0], 0);
    digitalWrite(digit[1], 0);
    digitalWrite(digit[2], 1);
    delay(10);
    digitalWrite(digit[2], 0);
    
    
}
void loop() {
  // put your main code here, to run repeatedly:
  unsigned long times = millis();
  if(times - interval >= 0){ 
    interval = times;
    if(temp == false){
        temp = true;
    } else{
        temp = false;
    }      
  }
    
    if(temp == true){
        th = dht.getTemperature();
        display(th*10);
    }
    
}