Arduino Thermocouple and LCD Tutorial

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Mish Mash Labs demonstrate how to read temperature values from a MAX31855 breakout board and K Type thermocouple, displaying the reading on a LCD using an Arduino Uno. The same module can be used on a PT100.

We you how to wire the thermocouple breakout board to the arduino, how to write the control program.
0:42 How to connect the MAX31855 Breakout board with Thermcouple to the Arduino
1:57 Writing the Arduino Sketch
This includes two examples, one shown in the Arduino LCD Tutorial listed below. The second is shown in the MAX31855 board and K Type Thermocouple Arduino Tutorial also listed below.
6:12 Testing and Demonstrating the Action

Code on Mish Mash's GIT:

The Arduino LCD Tutorial can be found here:

The MAX31855 board and K Type Thermocouple Arduino Tutorial can be found here:

And here is a playlist for the full project, a temperature controlled relay with LCD display:
We used the Arduino Uno, but this will work with all Arduinos, even clones.

#arduino #lcd #thermocouple #tutorial #mishmash

Music Credits:
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I have a doubt, as you are saying MAX31855 chip can also be used to read temperature from PT100.
How ?
PT100 output is change in RESISTANCE.
MAX31855 read change in voltage

sanjaybatra
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I am having an overshoot in the temperature readings. Put it into ice cold water (which should be zero C) and its reading around 6C +-1C. In ambient air in my room (around 65C) is reading 45C, so this is not a linear error. Any ideas on how to fix this?

jordanlowe
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Hi, does this code work for MAX6675 as well?

TheLostPig
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do you have the code on a website or anything

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