esp32_max31855k_example.ino

/**  
 * ModuleMore Co., Ltd.
 * @date 2024-12-03 
 * 
 * Wiring
 * | MAX31855 | ESP32 |
 * |----------|-------|
 * | Vin      | 3.3V  |
 * | Gnd    | Gnd   |
 * | SCK    | 26    |
 * | CS     | 25    |
 * | SO     | 17    |
 * 
 */
#include "MAX31855.h" // https://github.com/RobTillaart/MAX31855_RT

const int selectPin = 25; //CS
const int dataPin   = 17; //DO
const int clockPin  = 26; //SCK

MAX31855 thermoCouple(selectPin, dataPin, clockPin);



void setup() 
{
  Serial.begin(115200);
  Serial.println(__FILE__);
  Serial.print("MAX31855_VERSION : ");
  Serial.println(MAX31855_VERSION);
  Serial.println();
  delay(250);

  SPI.begin();

  thermoCouple.begin();
}


void loop() 
{
  int status = thermoCouple.read();
  Serial.print("stat:\t\t");
  Serial.println(status);

  float internal = thermoCouple.getInternal();
  Serial.print("internal:\t");
  Serial.println(internal, 3);

  float temp = thermoCouple.getTemperature();
  Serial.print("temperature:\t");
  Serial.println(temp, 3);
  delay(100);
}