PID temperature controller DIY Arduino

Thanks to JLCPCB for supporting this video.

Learn how a PID controller for temperature works. We use a K type thermocouple and read real temperature values with the MAX6675 breakout board. SPI connected to the Arduino which will create the PID and control a MOSFET with PWM signal and the power for a DC heater.

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Please, like, share and subscribe in order to motivate me for moe videos like this one. Thank you!

[asswipe]

On behalf of all mechanical engineering students, thank you so much for breaking this process down into something we can understand!

[jsn]

The heating element can be represented by a first-order transfer function if you apply a step input (e.g 5 V or 12 V or whatever the supply voltage is). Plot the transient behaviour as the temperature raises and settles about a value (sample at regular intervals though). This will fit the equation K/(s(tau)+1). K is the gain so that will be the maximum temperature of the plot. Tau is the time constant and this will be the time it takes for the element to reach about 63% of its maximum temperature. You can either simulate this in Simulink and play with the PID values (make sure you use the z-domain rather than the s-domain though.
If you don't want to use simulink then just use a tuning method like ziegler nichols

[hippie-io]

One of the best PID explanations I've seen. You are an excellent educator. Thanks!

[RossOCarroll]

This is incredible. I am an MD doing research in neuroscience trying to make an in-line heater for live-cell imaging. This video is exactly what I needed. absolutely stunning!!! :D :D

[mohammedalshrief]

I made my machine learning pid iron station and i made pid code by helping your videos great man

[marcus_w]

I really love your enthusiasm. You're getting better and better. As a viewer right from your first few videos it's amazing to see your progress. Keep on!

[demesisx]

Great job. Everyone else is launching rockets and having us use PID for telemetry. Thanks for simplifying it and making it accessible.

[martinhavshjsrensen]

Ahh... How nice with a video without JLC commercials! ;)

[belenhedderich]

cant wait to see the recycling extruder project. Thank you! Amazing project!

[VasilisKarastergios]

Thanks for all the time and effort you put in to this video, very well explained!

[steveeb]

I haven't even watched the video and I gave you a Thumbs Up. I hope this is exactly what I need to control my burnout oven.

[neogabo]

Guys why is it that there is a diode on the protoboard for the part that controls the heater ? i dont see it in schematic (min 6:52). Truly one the greatest PID explanations on youtube! Thanks you guys! Keep at it!! :D

[Meatlove]

This might be the basis for a new barbecue controller project. Thanks for the effort in making such a clear and complete tutorial.

[adabill]

I've been trying to do a PID with Arduino for Sous Vide cooking. The tuning of the PID is the most difficult process for me. The key is to have the patience and good data collection to adjust the various parameters correctly. I tried to doo it with a Crock Pot but there isn't any circulation in a crock pot and I couldn't get the temp deviations down to an acceptable level..

Very good video with good starter information.

[anonrider]

man you have one of the best electronics projects channel on YouTube!!!
good job!

[kyanjenkins]

Great explanation! I'm what you could call a beginner in grade 10 at school but I've picked up on the basics really quickly and have decided to do a project for in the house. I am going to use a PID to control the temperature for an espresso machine. This explanation was really useful, but still alot of research to do!

[lericode]

Siento que la calidad de los vídeos es cada vez mejor, felicitaciones, como siempre increíble.

[Johann]

This is what I have been looking for my pastry proofer. Thank you very much Sir.

[AhmedAmer-hede]

this is litterely what i needed for a school project and this helped a lot

[mejia]

Great video. You inspired me to build a fan for my smoker to control temps for long cooks.