DHT22_2_7Seg

#include "DHT.h"

#define DHTPIN A0
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

int C1 = 3;
int C2 = 2;
int a = 10;
int b = 9;
int c = 8;
int d = 7;
int e = 6;
int f = 5;
int g = 4;
int firstDig, secDig;
float t = 0;
//----------------------------------
void setup()
{
  pinMode(C1, OUTPUT);
  pinMode(C2, OUTPUT);
  digitalWrite(C1, HIGH);
  digitalWrite(C2, HIGH);
  for (int i = 4; i < 11; i++)
  {
    pinMode(i, OUTPUT);
  }
}
//----------------------------------
void loop()
{
  t = dht.readTemperature();
  digitalWrite(C1, HIGH);
  digitalWrite(C2, HIGH);
  firstDig = (int)t / 10;
  pintar(firstDig);
  digitalWrite(C1, LOW); //liga c1
  delay(10);
  // if (not(secDig == (int)t % 10))  // para não ficar repintando o display se a temperatura não mudou
  //  {
  digitalWrite(C1, HIGH);
  digitalWrite(C2, HIGH);
  secDig = (int)t % 10;
  pintar(secDig);
  digitalWrite(C2, LOW); //liga c2
  // }
  delay(10);
}
//----------------------------------
void pintar(int numero)
{
  switch (numero)
  {
    case 0:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, LOW);
        digitalWrite(f, LOW);
        digitalWrite(g, HIGH);
        break;
      }
    case 1:
      {
        digitalWrite(a, HIGH);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, HIGH);
        digitalWrite(e, HIGH);
        digitalWrite(f, HIGH);
        digitalWrite(g, HIGH);
        break;
      }
    case 2:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, HIGH);
        digitalWrite(d, LOW);
        digitalWrite(e, LOW);
        digitalWrite(f, HIGH);
        digitalWrite(g, LOW);
        break;
      }
    case 3:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, HIGH);
        digitalWrite(f, HIGH);
        digitalWrite(g, LOW);
        break;
      }
    case 4:
      {
        digitalWrite(a, HIGH);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, HIGH);
        digitalWrite(e, HIGH);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
    case 5:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, HIGH);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, HIGH);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
    case 6:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, HIGH);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, LOW);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
    case 7:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, HIGH);
        digitalWrite(e, HIGH);
        digitalWrite(f, HIGH);
        digitalWrite(g, HIGH);
        break;
      }
    case 8:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, LOW);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
    case 9:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, LOW);
        digitalWrite(c, LOW);
        digitalWrite(d, LOW);
        digitalWrite(e, HIGH);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
    default:
      {
        digitalWrite(a, LOW);
        digitalWrite(b, HIGH);
        digitalWrite(c, HIGH);
        digitalWrite(d, LOW);
        digitalWrite(e, LOW);
        digitalWrite(f, LOW);
        digitalWrite(g, LOW);
        break;
      }
  }
}