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/*
Single_Temp.pde - Example using the MAX6675 Library.
Created by Ryan McLaughlin <ryanjmclaughlin@gmail.com>
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
http://creativecommons.org/licenses/by-sa/3.0/
*/
#include <MAX6675.h>
int LED1 = 9; // Status LED Pin
int CS = 10; // CS pin on MAX6675
int SO = 12; // SO pin of MAX6675
int SCK = 13; // SCK pin of MAX6675
int units = 2; // Units to readout temp (0 = raw, 1 = ˚C, 2 = ˚F)
float temperature = 0.0; // Temperature output variable
// Initialize the MAX6675 Library for our chip
MAX6675 temp(CS,SO,SCK,units);
// Setup Serial output and LED Pin
// MAX6675 Library already sets pin modes for MAX6675 chip!
void setup() {
Serial.begin(9600);
pinMode(LED1, OUTPUT);
}
void loop() {
// Read the temp from the MAX6675
temperature = temp.read_temp();
if(temperature < 0) {
// If there is an error with the TC, temperature will be < 0
Serial.print("Thermocouple Error on CS");
Serial.println( temperature );
digitalWrite(LED1, HIGH);
} else {
Serial.print("Current Temperature: ");
Serial.println( temperature );
digitalWrite(LED1, LOW);
}
// Wait one second before reading again
delay(1000);
}
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