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  1. YveltalGriffin

    DSii

    This is awesome! I love the color scheme, it looks much more elegant than the original white and green. Do you have a link to the filament you used?
  2. YveltalGriffin

    UltraWii Sakura

    Thanks! The copper heatsink is from Cooltex on Aliexpress (30x30x7mm) https://www.aliexpress.com/item/4000107291369.html
  3. YveltalGriffin

    UltraWii Sakura

    This is a new revision of my UltraWii portable, named UltraWii Sakura! Huge thanks to @Aurelio for making this portable possible with his direct drive board. This portable would not exist without him. Here are the specs: -OMEGA-trimmed Wii motherboard -1S4P 3500mAh 18650s (~6.25hrs...
  4. YveltalGriffin

    Famiclone Mini

    This is awesome! An excellent use of a Super Joy III.
  5. YveltalGriffin

    AVEflex: Wii AVE Relocation FPC

    My original stock of AVEflex is nearly gone, and I have no plans to get another batch anytime soon. So I'm releasing the Gerber files for anyone that wants to get these manufactured. This is a slightly updated design that entirely omits the unecessary POR RC circuit, and connects RESET to...
  6. YveltalGriffin

    Question Portable snes

    Got those scans uploaded! Hopefully they're helpful. https://bitbuilt.net/forums/index.php?threads/gbs8200-v4-0-scans-video-scaler-linedoubler.4074/ The GBS8200 board could be trimmed from the bottom up to the three RGB pots with minimal rewiring required (RGB+sync signals, buttons, etc.) You...
  7. YveltalGriffin

    Board scan GBS8200 v4.0 Scans (Video Scaler/Linedoubler)

    These are some quick and dirty 2400DPI scans of the cheap and widely available GBS8200 video converter board, which uses the TVIA Trueview5725. It's perfect for converting 240p RGBs from old consoles into 480p VGA. It can also do other things, like motion adaptive deinterlacing and downscaling...
  8. YveltalGriffin

    Question Portable snes

    I haven't trimmed a SNES (skipped straight to redesigning the 1-chip motherboard) but there are lots of handy SNES PCB scans at both the PCB Strip Club and here on BB. Should be enough to help you puzzle out a trim! I believe the GBS8200 is a 2-layer board, so it should be easy to trim off...
  9. YveltalGriffin

    Question Portable snes

    Yeah, the picture is really amazing. Indistinguishable from an emulator at times! 1. Yes, this is an RGB-modded Snes Jr., so it's the highest quality RGB signal you can get from a SNES. All models of SNES can output RGB so there's no reason to not use it. 2. No sync stripping or extra...
  10. YveltalGriffin

    Question Portable snes

    I am using a GBS8200 with the modified GBScontrol firmware in my αSNES project. The result is virtually pixel-perfect and looks incredible. Lots of guides available on the GBScontrol GitHub wiki on setting it up. Definitely a great option if you're going to use a linedoubler.
  11. YveltalGriffin

    Question Portable snes

    Sorry, it's the LM1881, not 1181. The datasheet I linked is the right one nontheless. There should be breakout boards for sale online, it's a common IC. You'll probably need some exta circuitry to generate H-sync from the LM1881, but there are example circuits online. This page seems like a good...
  12. YveltalGriffin

    Question Portable snes

    The RTD2660 and 2662 *can* support composite sync input, but most firmware used on common driver boards only supports RGBHV (VGA). If you use a sync splitter (like the LM1881) you can get H-sync and V-sync from the SNES's C-sync output. But the resulting signal will be a progressive 15kHz...
  13. YveltalGriffin

    Yveltal's G-Boy with Direct Drive

    Over the past couple days, I assembled the G-Boy kit Gman sent me for the BB Secret Santa exchange! I used my prototype direct drive (courtesy of Aurelio) and an IPS 640x480 panel. Who needs the AVE, anyway? Assembly was super easy thanks to the clearly-labeled PCBs and the excellent manual...
  14. YveltalGriffin

    Secret Santa 2020: Post your gifts here!

    My gift arrived! The second I saw Gunnar's name on the box, I knew I was in for a treat. Holy crap... a *Can'tSayThisOnTV*ing G-Boy kit?! As always, Gman sets the bar insanely high!!! This is definitely getting a direct drive and IPS 640x480 panel slapped into it. (Assembling it will be my...
  15. YveltalGriffin

    Question Is this salvageable?

    That component is C602, and it's an 0402 1uF ceramic cap. The Wii will probably work fine without it. There's plenty of decoupling capacitance nearby on the 3.3V rail already. If you want to be cautious and replace it, you can steal a 0.1uF cap from elsewhere on the motherboard. Maybe C122 or...
  16. YveltalGriffin

    AVEflex: Wii AVE Relocation FPC

    AVEflex is my flexible printed circuit board (FPC) for relocating the Audio-Video Encoder (AVE) on 4-layer Wii motherboards. AVEflex is intended for OMEGA trims where analog video is needed and avoids the sacrificial daughterboard method currently used for AVE relocations. Supported motherboard...
  17. YveltalGriffin

    Question Omega trim info?

    As someone who trims lots of OMEGAs, the RVK compendium is your best friend. It provides every answer to every pinout question anyone could ever and will ever ask about 4 layer Wiis. Take some time to get familiar with it and the Wii motherboard and things will start to make sense. Plus...
  18. YveltalGriffin

    Worklog Wii U R&D Thread (WURD)

    I'm on it. Prototype U reg board is on this weekend's agenda.
  19. YveltalGriffin

    Worklog Wii U R&D Thread (WURD)

    If this is any indication, then yes, definitely. The eMMC uses basic 4-bit mode just like SD cards (hence why you can dump it with an SD card reader) so it shouldn't be finicky. Flex PCB aside, you could just cut out the section of board with the NAND and eMMC. Nintendo provided handy dummy...
  20. YveltalGriffin

    Worklog Wii U R&D Thread (WURD)

    Folks in the Discord are probably aware of all this, but I should post what work I did for posterity. I started sanding down a spare WUP-01 back in July, and it's a 6-layer PCB. Stackup seems to be run-of-the-mill with two internal GND planes and two internal power plane/signal layers...
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