Controlling a Relay using Temperature (Temperature Controlled Relay with Thermocouple, Arduino, LCD)
Mish Mash Labs demonstrate how to control a high voltage (230V AC) Relay using a temperature value set-point. The temperature value is read from a K-Type Thermocouple, which is interfaced using a MAX31855 breakout board over SPI to an Arduino. The measured temperature values are displayed on an LCD.
In our example, the temperature controlled relay is switched ON, by the Arduino , once the temperature reaches 40 degrees C, and OFF if its below. This value can be adjusted to suit you. The light bulb can be swapped with a heating element.
Code on Mish Mash's Git:
https://github.com/mishmashlabs/MAX31...
How to display Thermocouple readings on the LCD can be found here:
• Arduino Thermocouple and LCD Tutorial
The Arduino LCD Tutorial can be found here:
https://www.youtube.com/watch?v=rj9S7...
The MAX31855 board and K Type Thermocouple Arduino Tutorial can be found here:
https://www.youtube.com/watch?v=CISms...
And here is a playlist for the full project, a temperature controlled relay with LCD display:
https://www.youtube.com/playlist?list...
We used the Arduino Uno, but this will work with all Arduinos, even clones.
#temperature #controlled #relay #tutorial #arduino #mishmash
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Music Credits:
Intro & Outro by audionautix.com
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