templogger.ino

/**
 * temperature & humidity logger
 *
 * @kobebigs Thu Mar 20, 2014 15:14:30
 */ 
 
#include <Time.h>
#include <DHT.h>

//define connected pin
#define DHTPIN 7

//define type of DHT sensor
#define DHTTYPE DHT22

//create an object of DHT
DHT dht(DHTPIN, DHTTYPE);

void setup()
{
  // start serial port at 9600 bps:
  Serial.begin(9600);

  dht.begin(); 
  
  establishContact();
}

void loop()
{
 
}

void establishContact() {
  
  while (Serial.available() <= 0){ 

   //read temperature 
   float t= dht.readTemperature();
   
   //check if returns are valid, 
   if(isnan(t)){
     Serial.println("Failed to read from DHT");
   } else {
      Serial.println(t);
   }

      delay(2000);
  }  
}