Digital Converter Module for K-Type Thermocouple (MAX6675)

Library & Code: http://playground.arduino.cc/Main/MAX6675Library

Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6675.pdf

Example:

/*
Single_Temp.pde - Example using the MAX6675 Library.
Created by Ryan McLaughlin 
*/

#include "max6675.h"

int CS0 = 11; // CS pin on MAX6675
int SO = 12; // SO pin of MAX6675
int SCK = 13; // SCK pin of MAX6675
int units = 0; // Units to readout temp (0 = ÀöF, 1 = ÀöC)
float error = 0.0; // Temperature compensation error
float temp_out = 0.0; // Temperature output varible

MAX6675 temp0(CS0,SO,SCK,units,error);

void setup() {
Serial.begin(9600);
}

void loop() {
temp_out = temp0.read_temp(5); // Read the temp 5 times and return the average value to the var

Serial.println( temp_out ); // Print the temperature to Serial
delay(1000); // Wait one second
}