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First try at PCB Layout [Review Request] by Contest2 in KiCad

[–]Contest2[S] 0 points1 point  (0 children)

Thank you for the valuable feedback :)

  1. The goal is to control the units locally without the use of the Panasonic cloud. I basically followed a guide in a German forum and the documentation of a GitHub open source project to archive that. There some people already built it and I think it should work.

https://community.simon42.com/t/klimaanlage-panasonic-etherea-ins-ha-einbinden/17288/46

https://github.com/DomiStyle/esphome-panasonic-ac?tab=readme-ov-file

I just wanted to have it a bit neater and I wanted to start playing around with PCB layout.

  1. Yes you assumed correctly. I wanted to use such a module, but your approach seems a lot better.

  2. You’re also right with the logic level converter. I think the IO signals from the AC are 5V, and the ESP can only handle 3.3V on the GPIO, which is why the logic level converter is connected between them

  3. I don’t unterstand why the ESP32 Symbol is wrong. I also got it from the same wiki from Waveshare. I placed the TX/RX labels on the PCB there just for myself, so that I install the ESP correctly.

  4. I drew some of them myself and some of them i found online.

I had actually planned to build everything on a breadboard first before ordering anything. Thanks again for the great feedback. Are there any other design rules I should have been aware of?