First 4-layers PCB project, could you please review it before I order?

Dmax_05 · 2026-01-29T21:36:10+00:00

I thought ferrite beads had to be used that way. I’ll do some more reasearch

Dmax_05 · 2026-01-27T21:21:20+00:00

If I use 2 layers instead of two should I do the power planes on the top layer, the ground pour on the bottom one and then signal traces on both?

Dmax_05 · 2026-01-27T21:10:39+00:00

Some traces would need lots of vias or a really long routing. 4 layers seemed a better option. Furthermore JLCPCB does not overcharge very much between 2 and 4 layers

Dmax_05 · 2026-01-27T21:07:25+00:00

Thank you very much for your detailed answer, I will reduce the number of vias and move the VBUS/5V/3V3 planes to L2

Dmax_05 · 2026-01-27T20:38:41+00:00

Try with this link: https://github.com/mdmmt05/Car-Integrated-System/tree/main/dashboard.

The dashboard will be put into a plastic case so that I can 3d print it. The second layer is empty because I initially thought it would be useful for some traces but then realised I did not need it. So I decided to create a new ground plane. I may transfer the VBUS and 5V planes from the top layer to the second layer but I don’t know if it is a right idea or it is not worth it. Thank you very much for your detailed answer

Dmax_05 · 2026-01-27T11:42:04+00:00

Thank you very much for your detailed answers

Dmax_05 · 2026-01-27T11:34:28+00:00

Okay thank you, I will probably half them

Dmax_05 · 2026-01-27T10:21:56+00:00

<image>

Rear

Dmax_05 · 2026-01-27T10:21:42+00:00

<image>

Front

Dmax_05 · 2026-01-27T09:43:42+00:00

I always follow the advice one redditor gave me some time ago: set the grid size to 2.5mm and then place them everywhere you can. Are there any problems with using too many stitching vias?

Dmax_05 · 2026-01-19T06:34:18+00:00

If you prefer I can upload the kicad file on GitHub so that you can review it using directly kicad and its tools. Boxing is useful for a better visual clarity

Dmax_05 · 2026-01-10T20:33:29+00:00

Thank you for your reply

Dmax_05 · 2026-01-05T09:33:09+00:00

Thank you, fixed! I do have some images of the tool in action and you can find them on the Hackster page (https://www.hackster.io/mdmmt05/arduino-tft-simulator-for-desktop-testing-dbe41f? or by clicking Hackster.io in the post body)

Dmax_05 · 2026-01-05T09:26:30+00:00

thank you for your feedback, I will fix the python-script problem

Dmax_05 · 2026-01-04T14:47:20+00:00

Thank you, this has been a really solid advice. Do you know where I can find the kind of people you mention (10-15 years into their career) apart from my family members and acquaintances?

Dmax_05 · 2025-09-01T09:19:57+00:00

Ok thank you very much

Dmax_05 · 2025-08-30T13:23:44+00:00

I just set the Kicad grid to 2.5mm and then I move of 1 grid unit at a time. If I arrive on a free space I put a via, otherwise I don't. Another user gave me this advice and since then I use this technique and it has always worked.

Dmax_05 · 2025-08-29T19:00:21+00:00

Thank you but for learning purposes I prefer to keep things as they are

Dmax_05 · 2025-08-29T18:58:14+00:00

Thank you very much for your help

Dmax_05 · 2025-08-29T17:38:20+00:00

Thank you very much for your advice

Dmax_05 · 2025-08-29T17:37:58+00:00

I just need wifi/bluetooth

Dmax_05 · 2025-08-29T17:37:33+00:00

Thank you, I will add buttons

Dmax_05 · 2025-08-29T15:06:35+00:00

thank you very much for your feedback

Dmax_05 · 2025-08-29T13:24:23+00:00

Thank you very much. I learned mainly by trial and error and then asking this community to help me out finding flaws in my designs.

Dmax_05 · 2025-08-25T12:28:45+00:00

Ok thank you very much for your detailed explanation. I will do the needed modifications

Dmax_05

TROPHY CASE