Problem z programowaniem Arduino Pro mini

Kod:
#include <Wire.h>

#include <VirtualWire.h>

#include <BMP180.h>



int idDHT11pin = 3; 

int idDHT11intNumber = 1; 



void dht11_wrapper(); // must be declared before the lib initialization



idDHT11 DHT11(idDHT11pin,idDHT11intNumber,dht11_wrapper);



BMP180 barometer;

// float seaLevelPressure = 101000;



String calosc, wilg, cisn, temp, wilg1, cisn1, temp1;

char Msg[27];





void setup()

{

  vw_setup(2000);

  

  wilg = String("W: ");

  cisn = String ("C: ");

  temp = String ("T: " );

  Serial.begin(9600);

  delay(5000);

  Serial.println("Stacja Meteo by ElektroMaras"); 

  

  Wire.begin();

  barometer = BMP180();

  if(barometer.EnsureConnected())

  {

    Serial.println("Connected to BMP180."); // Output we are connected to the computer.

    barometer.SoftReset();

    barometer.Initialize();

  }

  else

  { 

    Serial.println("Could not connect to BMP180.");



  }

  Serial.print("DHT 11 LIB version: ");

  Serial.println(IDDHT11LIB_VERSION);

  Serial.println("---------------");

  }



// This wrapper is in charge of calling 

// mus be defined like this for the lib work

void dht11_wrapper() 

{  DHT11.isrCallback();  }



void loop()

{

  Serial.print("\nRetrieving information from sensor: ");

    //delay(100);

  DHT11.acquire();

  while (DHT11.acquiring())

    ;

  int result = DHT11.getStatus();

  switch (result)

  {

  case IDDHTLIB_OK: 

    Serial.println("OK"); 

    break; }

  /* case IDDHTLIB_ERROR_CHECKSUM: 

    Serial.println("Error\n\r\tChecksum error"); 

    break;

  case IDDHTLIB_ERROR_ISR_TIMEOUT: 

    Serial.println("Error\n\r\tISR Time out error"); 

    break;

  case IDDHTLIB_ERROR_RESPONSE_TIMEOUT: 

    Serial.println("Error\n\r\tResponse time out error"); 

    break;

  case IDDHTLIB_ERROR_DATA_TIMEOUT: 

    Serial.println("Error\n\r\tData time out error"); 

    break;

  case IDDHTLIB_ERROR_ACQUIRING: 

    Serial.println("Error\n\r\tAcquiring"); 

    break;

  case IDDHTLIB_ERROR_DELTA: 

    Serial.println("Error\n\r\tDelta time to small"); 

    break;

  case IDDHTLIB_ERROR_NOTSTARTED: 

    Serial.println("Error\n\r\tNot started"); 

    break;

  default: 

    Serial.println("Unknown error"); 

    break;

  } */



int a = (DHT11.getHumidity());

String wilg1 = wilg + a + "%";

Serial.println (wilg1);



if(barometer.IsConnected)

  {

    // Retrive the current pressure in Pascals.

    long currentPressure = barometer.GetPressure();

    

    int b = (currentPressure/100);

    String cisn1 = cisn + b + " hPa"  ;

    Serial.println (cisn1);

 

    // Retrive the current temperature in degrees celcius.

    float currentTemperature = barometer.GetTemperature();



    int c = (currentTemperature);

    String temp1 = temp + c + " stC";

    Serial.println (temp1);

  

   String calosc = wilg1 + temp1 + cisn1 ;

   Serial.println(calosc);  

   

    calosc.toCharArray(Msg,(calosc.length()+1));

    for (int i = 0; i <= calosc.length(); i++) {

    Serial.print(Msg[i]);

   }

   

    vw_send((uint8_t *)Msg, strlen(Msg));

    vw_wait_tx(); 

    

    Serial.println("poszlo");         }

    Serial.println(); // Start a new line.

    delay(10000); 

}