Төсөл 2 Температур болон чийгшлийн мэдрэгч

Хэрэглэгдэхүүн:

1. Ардиуно 1ш
2. 220 ом эсэргүүцэл 1ш
3. 4 оронтой 7 сегмент дэлгэц 1ш
4. Товчлуур 1ш
5. DHT11 1ш
6. Туршилтын хавтан 1ш
7. Утас

Зарчмын схем

Программ

#include <SevSeg.h>
#include <dht_nonblocking.h>
#define tipoSensore   DHT_TYPE_11

SevSeg sevseg;

int pinBottone=24;
int statoBottone=0;
int   cambioDisplay=0;
int ultStatoBottone=0;


static const int pinSensore   = 22;
DHT_nonblocking sensoreDHT( pinSensore, tipoSensore );

void setup(   )
{
  pinMode(pinBottone, INPUT_PULLUP);
  Serial.begin(9600);
  byte   numCifre=4; //how many digits has the display
  byte pinCifre[]={10,11,12,13};   //digit pins
  byte pinSegmenti[]={9,2,3,5,6,8,7,4}; //segment pins from A to   G plus decimal point pin (last one)
  bool resistoriSuSegmenti=true;
  byte   CAoCC=COMMON_CATHODE; //common cathode or common anode display
  sevseg.begin(CAoCC,   numCifre, pinCifre, pinSegmenti, resistoriSuSegmenti);
  sevseg.setBrightness(-10);
}

static   bool misuraAmbiente( float *temperatura, float *umidita )
{
  static unsigned   long tempo = millis( );

  //measures every 4 seconds
  if( millis( ) -   tempo > 4000)
  {
    if( sensoreDHT.measure( temperatura, umidita ) == true   )
    {
      tempo = millis( );
      return( true );
    }
  }

   return( false );
}


void loop( )
{
  float temperatura;
   float umidita;
  statoBottone=digitalRead(pinBottone);
  if (statoBottone!=ultStatoBottone)   //check if button is pressed
  {
    
    //change state if button is pressed
     if (statoBottone==1)
    { 
      if(cambioDisplay==1)
      {
         cambioDisplay=0;
      }
      else
      {
        cambioDisplay=1;   
      }      
    }
     
    //remember the new state
    ultStatoBottone=statoBottone;
   }
if(misuraAmbiente(&temperatura, &umidita)==true)
{};
  switch(cambioDisplay)   //switch display mode (temperature or humidity)
  {
    case 0:
    {
       sevseg.setNumberF(temperatura, 1);
      break;
    };
    case 1:
     {
      sevseg.setNumber(umidita);
      break;
    };
  }
  
   sevseg.refreshDisplay();
}