Sensores
Código
Código para teste do sensor MAX-31856 usando a placa NodeMCU 1.0 com chip esp8266-12E
#include <Adafruit_MAX31856.h>
//----------------------------------
// Use software SPI: CS, DI, DO, CLK
// Arduino Uno:
//Adafruit_MAX31856 maxthermo = Adafruit_MAX31856(10, 11, 12, 13);
//NODEMCU 1.0 ESP8266-12E:
// MAX-31856 / NODEMCU
// CS / GPIO 10 - SD3
// SDI / GPIO 4 - D2
// SDO / GPIO 5 - D1
// SCK / GPIO 16 - D0
//Adafruit_MAX31856 maxthermo = Adafruit_MAX31856(10,4,5,16);
//----------------------------------
// Use hardware SPI, just pass in the CS pin
// Arduino Uno:
//Adafruit_MAX31856 maxthermo = Adafruit_MAX31856(10);
//NODEMCU 1.0 ESP8266-12E:
// MAX-31856 / NODEMCU
// CS / GPIO 15 - D8
// SDI / GPIO 13 - D7
// SDO / GPIO 12 - D6
// SCK / GPIO 14 - D5
Adafruit_MAX31856 maxthermo = Adafruit_MAX31856(15);
//----------------------------------
void setup() {
Serial.begin(115200);
Serial.println("MAX31856 thermocouple test");
maxthermo.begin();
maxthermo.setThermocoupleType(MAX31856_TCTYPE_K);
Serial.print("Thermocouple type: ");
switch (maxthermo.getThermocoupleType() ) {
case MAX31856_TCTYPE_B: Serial.println("B Type"); break;
case MAX31856_TCTYPE_E: Serial.println("E Type"); break;
case MAX31856_TCTYPE_J: Serial.println("J Type"); break;
case MAX31856_TCTYPE_K: Serial.println("K Type"); break;
case MAX31856_TCTYPE_N: Serial.println("N Type"); break;
case MAX31856_TCTYPE_R: Serial.println("R Type"); break;
case MAX31856_TCTYPE_S: Serial.println("S Type"); break;
case MAX31856_TCTYPE_T: Serial.println("T Type"); break;
case MAX31856_VMODE_G8: Serial.println("Voltage x8 Gain mode"); break;
case MAX31856_VMODE_G32: Serial.println("Voltage x8 Gain mode"); break;
default: Serial.println("Unknown"); break;
}
}
void loop() {
Serial.print("Cold Junction Temp: ");
Serial.println(maxthermo.readCJTemperature());
Serial.print("Thermocouple Temp: ");
Serial.println(maxthermo.readThermocoupleTemperature());
// Check and print any faults
uint8_t fault = maxthermo.readFault();
if (fault) {
if (fault & MAX31856_FAULT_CJRANGE) Serial.println("Cold Junction Range Fault");
if (fault & MAX31856_FAULT_TCRANGE) Serial.println("Thermocouple Range Fault");
if (fault & MAX31856_FAULT_CJHIGH) Serial.println("Cold Junction High Fault");
if (fault & MAX31856_FAULT_CJLOW) Serial.println("Cold Junction Low Fault");
if (fault & MAX31856_FAULT_TCHIGH) Serial.println("Thermocouple High Fault");
if (fault & MAX31856_FAULT_TCLOW) Serial.println("Thermocouple Low Fault");
if (fault & MAX31856_FAULT_OVUV) Serial.println("Over/Under Voltage Fault");
if (fault & MAX31856_FAULT_OPEN) Serial.println("Thermocouple Open Fault");
}
delay(1000);
}