[sdiy] M3-threaded PCB mounts with solder tails?

[John P Shea]

Wurth Elektronik

There are also Asian brands.

As these are hollow, they come with a removable plastic tab (which allows
suction pick up).

Adafruit also has ‘em and did a vid.

Regards,
JPS

On Thu, 20 Feb 2020 at 7:26 am, <rsdio at audiobanshee.com> wrote:

> Hello,
>
> I recently purchased an Intellijel 7U Performance Case, and it’s nearly
> perfect.
>
> Who makes the M3-threaded PCB mounting brackets that are soldered (in
> three places) on the MIDI JACKS rev003 board? I think I need to buy some of
> these. Are they a custom part? … or are they available some place like
> Mouser, Jameco, or Digi-Key?
>
>
> I’m in the process of designing a replacement for the MIDI board that
> would have active MIDI circuits. It’s intended to interface with a Euro
> module of my design that provides 5 V and serial data on a single header,
> without the optoisolator or current loop conversion. I could build an
> adaptor with the needed circuit somewhere else in the case, but it seems
> like the best option is to design a replacement PCB that will fit exactly
> where the MIDI JACKS rev003 does now. So, I’ve measured the placements for
> the MIDI jacks, USB jack, and screw holes. I already have the USB and MIDI
> jacks, so all I need are those metal brackets that solder via four pins
> each to the PCB and have M3 threaded holes in the right position to align
> with the 7U case.
>
> My design has jumpers to switch MIDI THRU between a buffered version of
> MIDI IN or a second MIDI OUT. In my case, the extra bandwidth of a second
> MIDI OUT will probably end up being necessary.
>
> I plan to keep the USB wired to the 10-pin header in the same way for
> compatibility with any existing (1U?) modules that might use USB, but will
> leave the MIDI pins unconnected since I’m taking them over.
>
> Brian
>
>
> p.s. I’ve already designed and built a 1U module that is a buffered
> 4-channel 1/8” to balanced circuit that connects to the existing Audio
> Jacks Board v2 via the 10-pin header. I really appreciate that both the Tip
> and Ring for all four jacks are brought to that one header. I ended up
> making all four jacks into outputs, and that was simple because the Audio
> Jacks Board is passive - so the direction isn’t baked in to the hardware.
> Of course, the labels painted on the case are no longer totally correct,
> but this is a personal modification for a 4-voice modular synth with
> individual balanced voice outputs.
>
>
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