Getting the OSSC PCB printed

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  • November 20, 2017 at 4:52 AM #17339
    nesqc
    Participant

    After successfully assembling a DIY OSSC, I’m looking into getting a couple of OSSC v1.6 PCBs printed. I frequently use OSHPark so I was looking into getting it made there. The DIY board I got last summer from VGP was purple, so I have a hunch it was printed there. When I upload the PCB to OSHPark there is a warning about possible incompatibility. My best guess is the slotted holes for the component video connector is raising a flag.

    Does anyone have experience getting the PCB printed? Any tips? Thanks!

    November 20, 2017 at 5:24 AM #17340
    Morpheus_79
    Participant

    Some PCB manufacturer (including OSHPark) indeed seem to have problems with accepting (producing???) slotted holes. But there’s a modified (“OSHPark-friendly”) 1.6 PCB layout available from ‘borti4938’ (the creator of the audio-addon board for the OSSC 1.5… and lots of other modding stuff):

    https://github.com/borti4938/ossc_pcb

    Even though the VGP PCBs are purple, i don’t necessarily think those are produced by OSHPark… since their problems with slotted holes… and since lots of other manufacturers offer PCBs with them same purple color for the solder mask (just not as only/default color like OSHPark).

    November 20, 2017 at 5:50 AM #17341
    nesqc
    Participant

    Thanks for the tip! I have a couple of other mods from borti, and I didn’t notice this repo!

    Does anyone have experience with a reputable manufacturer that supports slotted hole drilling?

    November 21, 2017 at 5:33 AM #17361
    nesqc
    Participant

    For the sake of posterity, I will follow up with myself. I was going through the commits on the marqs’ repo for the ossc_pcb and it seems as though this issue was already addressed earlier this year by user dwhinham and merged back into the master branch by marqs. OSHpark might still be raising flags only to ensure the user has really checked that compatibility is done right for their process.

    November 21, 2017 at 4:29 PM #17379
    Morpheus_79
    Participant

    Thanks for this nice piece of information. I only used the modified PCB layout from ‘borti4938’ a couple of months ago and chose EasyEDA as manufacturer. I had to use the modified layout, since the original layout by ‘marqs’ (at this time) wasn’t accepted by EasyEDA and i’ve read that OSHPark had its problems with it too. So it’s good to know, that the current available PCB layout at the GitHub of ‘marqs’ will be accepted by OSHPark (and maybe other manufacturers too).

    November 30, 2017 at 1:55 PM #17688
    d0pefish
    Participant

    Yes, ‘dwhinham’ is actually me 🙂

    I got all my boards done at OSH Park successfully after those changes, so marqs was kind enough to merge them.
    You should have no problem ordering them.

    If you wanted to skip the board upload stage altogether, you can just use this project link:
    https://oshpark.com/shared_projects/0IAKkJB7

    Sorry I didn’t see this thread earlier.

    March 2, 2018 at 5:38 PM #19769
    CoraDias
    Participant

    Hi..i think you need not to do that. Anyway, the main parts of the system are video digitizer IC, FPGA and HDMI transmitter IC. My first prototype is a PCB with input video connectors and the video digitizer IC. The PCB is connected to a FPGA development board, which contains logic for video processing and scandoubling, and a HDMI transmitter daughter card for video output.

    hdi pcb

    March 14, 2018 at 4:11 PM #20085
    rhapsody
    Participant

    This is somewhat off topic but I figured it would fit here so I don’t have to start a new thread. I’m unable to open the .svg case files in inkscape and the laser cutting website I try to upload them to can’t process them either.

    March 18, 2018 at 5:09 PM #20187
    marqs
    Participant

    No issues here, check the file integrity:

    md5sum P2_Inkscape_multi_optimized.svg 
0f67cadefc7d0cc756153ff27956d5bf
    March 19, 2018 at 12:17 AM #20201
    rhapsody
    Participant

    Ah think I figured it out must be an issue with chrome have to save it after opening in the browser can’t just save the link in the git repository. Thanks for responding Marqs and for all your work on the ossc! Also is there a paypal link or a way to donate to you or the ossc project directly without ordering the basic kit off vgp?

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