Replies: 5 comments 19 replies
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@kocy33 I have been trying to get the top off my 400s with 11+ picks and I cannot for the life of me get it to release. You wouldn't happen to have a video of how you did it? My fingers are almost bleeding from trying :( |
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I got it! I used the hair dryer and enlisted my wife to help hold the barrel. We both had rubberized gardening gloves on :) I was ready to give up and then jammed one more pick in and something popped. We gave it another heave ho and blammo! |
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I am ready to solder it up. Am I seeing it correctly that you used the ground on J3 combined with the white jumper from J6? |
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Looked identical to yours. This was way more work than I expected for today. I will open it back up tomorrow morning to see what's what. Thank for you help getting me this far! |
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Hi @kocy33 No donations needed! But help with the project would be great. And, yes i own all the devices now, started with one LV-131 (not supported with this but i have a dedicated project) and added a Core 300s and a Core 400s. I could not get my 400s open like you guys did, failed to open the top, even designed a dedicated "tool" but still failed. Would be awesome if you could add your version to the readme for the core400s! |
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Hello,
First I would like to say thank you for all the effort. Did you actually buy all these devices???
I haven't even converted my two 400s yet but i am going to convert them soon with an added C3.
Do you need additional photos?
Also do you have a kofi or paypal account?
I would really like to make a small donation for all the effort.
Edit 03.06.2026:
I have now successfully converted one of my levoit core 400s.
I managed to remove the top using 11 of "IFIXIT - Picks".
I had to twist the black part counterclockwise.
(See Photos)
That way i was able to unplug the cables and work comfortably.
Afterwards i was able to assemble everything again, without extensions on the cables.
I also identified the rx and tx pins on the mainboard Core400S_Ctrl_V1.2 it is TP33 and TP29.
(This was not directly mentioned in the guide)
To get the 5V for my ESP32-C3 I used the 5v Pin from J4.
Following here some Photos you are free to use for the Guide :)
If theres anything unclear feel free to ask.
Edit: To be clear i still had to remove the 6 screws in the Filter compartment. Otherwise the black top part would not detach.
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