Axolotiny version for embedding

#1

Johannes have you considered releasing an axoloti without the audio, USB, SD, midi and power sockets components ready-soldered?

I ask as it would be useful for embedding the axoloti in other hardware to be able to extend these to other locations inside the target case.

Alternatively, would you warn against trying to desolder these components? It looks like it might be do-able but I'm not sure if the solder I can see on the bottom of the board is all that is connected to the smaller components like the USB sockets.
thanks

#2

I am a bit curious about this too.. in all honesty, i dont think i would have bought my axoliti's if it didnt have plugs soldered on.. but well i am trying to put the board in a cigarbox.. just drilling the holes for what i needed, would have been easier .. i prob will never replace my sdcard once my machine is finished :smiley:

to clarify.. the usb-host port.. maybe.. the midi's definatly, the audioports (though i think they have solder-holes on the board) and the powerconnector. . hmmm

#3

I've duplicated this https://sebiik.github.io/community.axoloti.com.backup/t/minimal-axoloti-board/163/11

It does look like:
- Midi and large jack sockets will be relatively easy to carefully desolder (if not destroying them in the process if you're clueless about desoldering multiple points simultaneously as I am ... however once removed you will be left with solder points to send jump wires to). I don't need to remove them for my project, so won't bother and will just solder jump wires to appropriate points.

  • The large and small USB sockets should be easily extendable using short extender cables. Obvious now that I think of it.

  • I don't need to swap my sd card so that can stay where it is for infrequent access via screwdriver to get inside the hardware I am embedding the axoloti in.

#4

If you check on eBay you can also find extenders for SD and uSD cards. A bit pricey IMO and probably not something that should be extended too far due to possible data loss issues but they are available. Never used one so don't know for sure. For everything else I really don't see a need to de-solder anything. Use extender cables to relocate as needed and/or tap into the provided on board additional solder pads. Johannes obviously put a lot of thought into making the Core as flexible as possible for varied use/case while still maintaining the original vision.

#5

Thanks Phitar - will check those out too.

#6

I have not looked at extenders for micro-sdcard.
The on-board sdcard slot also has a presence-detect switch which will be defeated by such extender, causing unpredictable behavior when swapping cards.
Desoldering the 1/4 inch audio, USB host and MIDI sockets, probably the easiest way is demolishing the sockets first and then desolder/extract pin by pin.
Desoldering the SDCard and micro-USB socket can only be done with hot air, need to be careful not to blow off any other components.

#7

I had totally forgotten about the sd presence-detect. Think you had mentioned that in another post. Since unpredictatble behavior generally = not good I'll withdraw that suggestion. :blush: