![]() ![]() New temperature readings are displayed on the Serial Monitor every second. Don’t forget the select the board you’re using in Tools > Board and select the COM port your board is connected to in Tools > Port.Īfter uploading the code, open the Serial Monitor at a baud rate of 9600. Wire data to the Voltage Waveform (waveform), Voltage Array (array), or Thermocouple. Serial.print("C = ") Īs you can see, it’s very simple to get temperature readings using the K-type thermocouple with the MAX6675 amplifier. Converts a voltage reading from a thermocouple into a temperature value. The following lines read the temperature and display it on the Serial Monitor. thermocouple.readFahrenheit(): returns temperature in Fahrenheit degrees.thermocouple.readCelsius(): returns temperature in Celsius degrees.The library provides a method to read the temperature in Celsius and a method to read the temperature in Fahrenheit degrees. In the loop(), we read the temperature and display it on the Serial Monitor. In the setup(), initialize the Serial Monitor at a baud rate of 9600. MAX6675 thermocouple(thermoCLK, thermoCS, thermoDO) int thermoDO = 12 Ĭreate a MAX6675 object called thermocouple on the pins we’ve defined previously. Convert the summed cold-junction voltage and thermocouple voltage to the thermocouple temperature (TTC) / define float32t float const float32t cii0below0 0.000000000000E+00 const float32t. Add the cold-junction voltage to the measured thermocouple voltage (VCJ + VTC) 3. #include "ma圆675.h"ĭefine the pins that are interfacing with the MAX6675 thermocouple amplifier. Convert the cold-junction temperature (TCJ) to a voltage (VCJ) 2. For the MAX6675 to update, you must delay AT LEAST 250ms between reads!įirst, include the ma圆675.h library. Serial.println(thermocouple.readFahrenheit()) Serial.println(thermocouple.readCelsius()) basic readout test, just print the current temp This code is the example provided by the library. The library provides an example that gets temperature and displays the results on the Arduino IDE Serial monitor. Getting temperature from the K-Type thermocouple with the Arduino is very simple. Code – Get Temperature from K-Type Thermocouple with MAX6675 Amplifier Search for “ ma圆675 ” in the search box and install the library from Adafruit. Open your Arduino IDE and go to Sketch > Include Library > Manage Libraries. We’ll use the ma圆675 library from Adafruit.įollow the next steps to install the library in your Arduino IDE: There are different libraries to get temperature from a K-type thermocouple using the MAX6675 amplifier. ![]()
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