Simple Temperature and Humidity Sensor!

1#include <SevSeg.h>
2#include <dht_nonblocking.h>
3#define tipoSensore  DHT_TYPE_11
4
5SevSeg sevseg;
6
7int pinBottone=24;
8int statoBottone=0;
9int  cambioDisplay=0;
10int ultStatoBottone=0;
11
12
13static const int pinSensore  = 22;
14DHT_nonblocking sensoreDHT( pinSensore, tipoSensore );
15
16void setup(  )
17{
18  pinMode(pinBottone, INPUT_PULLUP);
19  Serial.begin(9600);
20  byte  numCifre=4; //how many digits has the display
21  byte pinCifre[]={10,11,12,13};  //digit pins
22  byte pinSegmenti[]={9,2,3,5,6,8,7,4}; //segment pins from A to  G plus decimal point pin (last one)
23  bool resistoriSuSegmenti=true;
24  byte  CAoCC=COMMON_CATHODE; //common cathode or common anode display
25  sevseg.begin(CAoCC,  numCifre, pinCifre, pinSegmenti, resistoriSuSegmenti);
26  sevseg.setBrightness(-10);
27}
28
29static  bool misuraAmbiente( float *temperatura, float *umidita )
30{
31  static unsigned  long tempo = millis( );
32
33  //measures every 4 seconds
34  if( millis( ) -  tempo > 4000)
35  {
36    if( sensoreDHT.measure( temperatura, umidita ) == true  )
37    {
38      tempo = millis( );
39      return( true );
40    }
41  }
42
43  return( false );
44}
45
46
47void loop( )
48{
49  float temperatura;
50  float umidita;
51  statoBottone=digitalRead(pinBottone);
52  if (statoBottone!=ultStatoBottone)  //check if button is pressed
53  {
54    
55    //change state if button is pressed
56    if (statoBottone==1)
57    { 
58      if(cambioDisplay==1)
59      {
60        cambioDisplay=0;
61      }
62      else
63      {
64        cambioDisplay=1;  
65      }      
66    }
67     
68    //remember the new state
69    ultStatoBottone=statoBottone;
70  }
71if(misuraAmbiente(&temperatura, &umidita)==true)
72{};
73  switch(cambioDisplay)  //switch display mode (temperature or humidity)
74  {
75    case 0:
76    {
77      sevseg.setNumberF(temperatura, 1);
78      break;
79    };
80    case 1:
81    {
82      sevseg.setNumber(umidita);
83      break;
84    };
85  }
86  
87  sevseg.refreshDisplay();
88}
89