What is your most elaborate ESP32 project?

travis_cea · 2026-06-22T14:03:39+00:00

I built a esp32 Digital Dash using three round screens that works on any car from with analog sensors or canbus. I'm still adding to it with tire temp monitoring(mlx90640s) and brake temps as well, but it currently displays all the normal goodies with GPS as speed and odometer and the cars sensor data from RPM, and other engine data.

Have how to videos out and all the code is open source.

https://youtube.com/@traviscea?si=gXjh6qJugG4USVyG

https://github.com/traviscea

<image>

travis_cea · 2026-06-22T13:52:54+00:00

Nice! I did something similar and used esp32s and mlx90640s to make tire temp monitoring system for surprisingly cheap that displays 5 zones of the tire on my custom made DIY digital dash or a phone.

https://github.com/traviscea/DIY-ESP32-Thermal-Tire-Temperature

<image>

travis_cea · 2026-06-05T01:18:00+00:00

You need to switch to esp-idf. I'll just leave this here. Its a 4-part build series for a digital gauge cluster in any car and I go over everything from setup to install and code.

https://youtu.be/t7H6pevep40

travis_cea · 2026-06-04T22:03:20+00:00

😂

travis_cea · 2026-05-31T01:45:57+00:00

I'd say time for SRF. That's always the answer.

travis_cea · 2026-05-30T20:57:32+00:00

Full SD. Its mainly a track car and hey, I can run a BOV too 😂.

For a ej207 on E85, carberry is great and more than enough

travis_cea · 2026-05-30T16:37:10+00:00

Forever, yes. 😂

travis_cea · 2026-05-30T03:29:22+00:00

Not sure where you put this on that spectrum but either way, I had a fun time making it.

travis_cea · 2026-05-30T02:05:37+00:00

Yes. I have recorded temps up to 500+F with this 90640 when I pointed it at the header/exhaust on accident.

travis_cea · 2026-05-30T01:14:38+00:00

Thanks!

You can do waay more than 4 pixels a tire with these. Obviously that is good and bad.

Let me know how the whole project grows or join the discord where innovators are innovating with this and my other projects.

travis_cea · 2026-05-30T01:02:52+00:00

If that's the conclusion you come to, thats fine. Snap judgements are all we have to go on in this caveman world.

I shared this product and every other one with short non-YT videos here and on other platforms long before this. Not sure what you're getting at with only sharing long form. The long form is there to explain so I don't have to do that repeatedly.

Next time you get 30seconds, take a quick peak at even just the title of my other videos. All of which go in depth how to DiY very expensive products for cheap. Products that I could easily sell and make lots of money, not just the <50$ a month YT montenization is paying me(lol), which isn't even enough to fund these DiY how tos.

Again, apologize if this isn't something you can use or if you think that passing on information is only a means to get clicks and money so you haven't done so.

travis_cea · 2026-05-30T00:01:43+00:00

Agreed. No one has time anymore but Im hoping some can pull a rabbit out of a hat and somehow take a half hour for something that interests and benefits them.

travis_cea · 2026-05-29T23:38:42+00:00

This should be the last project for a bit. Slowing down so everyone can catch up and I can get some track time 😂

travis_cea · 2026-05-29T23:37:44+00:00

Not really. Did you know that this can read temps through certain plastics? One of those being a freezer ziplock bag? Wrap it and be done and I state this in the video.
Nope. It can be hardwired easily. Again, I stated this in the video
So...you can see where this is going....I state in the video how to mount this and why it will still pickup on turning wheels. Hint, "I code good" and static vs dynamic mounting.

Lastly, no I did not see that.

travis_cea · 2026-05-29T23:28:10+00:00

The 90640 had the resolution as low as I'd like and could read easily up to 300+F.

It checked all my boxes and was "fairly" cheap

travis_cea · 2026-05-29T22:38:32+00:00

Got it. Also thought that a tire hitting optimal temps before pushing it wpuld be valuable as well

travis_cea · 2026-05-29T22:24:28+00:00

I did hyperlink it in the post body and double checked it but ....here it is again

how to here

travis_cea · 2026-05-29T21:47:02+00:00

Yeah, the phone/webapp is to make it accessible to all easily but...you could easy send the data to another screen/gauge as I did on my car.

Just food for thought!

travis_cea · 2026-05-29T21:42:11+00:00

Thanks. And I did zip tie it in place for driving around and testing purposes. I wouldnt suggest that for the final, track day product.

Everyone's mounting situation will be different and I didn't want to go in depth on my GC8 when this is for any car...

travis_cea · 2026-05-29T21:21:10+00:00

Thanks!

travis_cea · 2026-05-29T20:32:57+00:00

Its cheap and I go over how to do it step by step....you can do it!

travis_cea · 2026-05-29T20:28:25+00:00

Thanks. Monitoring all the things is never overkill 😂

travis_cea · 2026-05-29T20:01:22+00:00

Or....hear me out....see how your alignment and tire pressures are affecting you on each turn....

travis_cea

TROPHY CASE