IJK interface diagrams.

This is the right place to discuss on how to implement hardware vsync, adding a VIA or AY chipset, puting multiple roms, or how to design a new flash expansion card.
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barnsey123
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Re: IJK interface diagrams.

Post by barnsey123 »

I want one...

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kenneth
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Re: IJK interface diagrams.

Post by kenneth »

As HigashiJun is interested in making a joystick interface, and in order not to pollute the other thread, I place here the diagram of an untested pcb project almost identical to the ijk joystick interface. :wink:
ijkjoyst2020.zip
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Last edited by kenneth on Sun May 24, 2020 7:00 pm, edited 1 time in total.

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Silicebit.
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Re: IJK interface diagrams.

Post by Silicebit. »

Photos of the appearance of an original IJK interface.
External appearance.
External appearance.
ijk-interface.jpg (776.68 KiB) Viewed 687 times
Components side.
Components side.
ijk_top.jpg (2.34 MiB) Viewed 687 times
Solder side.
Solder side.
ijk_bot.jpg (2.38 MiB) Viewed 687 times
Last edited by Silicebit. on Sun May 03, 2020 8:15 pm, edited 1 time in total.
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Silicebit.
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Re: IJK interface diagrams.

Post by Silicebit. »

Schematic diagram.
Interface IJK.pdf
Schematic.
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HigashiJun
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Re: IJK interface diagrams.

Post by HigashiJun »

Nice !

Many thanks to both of you.

Cheers.
HigashiJun

Mustangus
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Re: IJK interface diagrams.

Post by Mustangus »

i think this will need a case made for it.

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ibisum
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Re: IJK interface diagrams.

Post by ibisum »

So .. we going to do a group purchase of a few of these PCB's in bulk?

Mustangus
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Re: IJK interface diagrams.

Post by Mustangus »

If i could get them to upload on https://jlcpcb.com/ then it wouldn't cost that much, i use them all the time nice and cheap but the pcb's are good.

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ibisum
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Re: IJK interface diagrams.

Post by ibisum »

Well, I'd love to have operational joystick on my Orics.

Color me interested in a couple of PCB's. To get my entire Oric fleet up and running, I'd need 8 PCB's...

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kenneth
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Re: IJK interface diagrams.

Post by kenneth »

Hello.
On the french site of oric.org Rijiji made a pcb according to my diagram, the holes are missing to put the 4 wires and the file is old, I will correct it so that the manufacturers recognize it. I'm now thinking of Dbug's phrase "verify before release" ... :oops:
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ijk-modif.jpg
ijk-modif.jpg (805.59 KiB) Viewed 496 times

Mustangus
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Re: IJK interface diagrams.

Post by Mustangus »

Looks good. :)

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HigashiJun
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Re: IJK interface diagrams.

Post by HigashiJun »

Very interesting, and with a case it would be really nice...
HigashiJun

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Chema
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Re: IJK interface diagrams.

Post by Chema »

A friend of mine is building one, and could not find an usable Gerber file with all the data to do it. He struggled to make a board with all the available info around and, I think, he is now waiting for some component to test it.

If you could point us to the post in Oric.org with the info, it would be invaluable! (I could not find it)

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Re: IJK interface diagrams.

Post by Dbug »

If somebody talented with soldering is willing to build one for me, I'm fine with paying for the work!

I had plans to make a video on the Joystick interfaces, by I only have the Opel model, so that's kind of limited content for a video :D

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kenneth
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Re: IJK interface diagrams.

Post by kenneth »

Chema wrote:
Sat May 23, 2020 3:15 pm
If you could point us to the post in Oric.org with the info, it would be invaluable! (I could not find it)
The message on Oric.org was written in MP, there's nothing more than the previous photo and ZIP file. I need to improve the PCB and create modern Gerber files. 8)

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