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Sometimes part of the system will "boot" without the U10, but not everything will function, or function properly. Pulling the u10 line with the original chip or an external pcb is required for the system to function properly.

Most of the volume reduction of making a Wii U portable would come from elimination of the disc drive. If you keep the disc drive, your semi-portable Wii U will wind up being the size of a Wii U. As Lazr said, 99.99% chance you aren't going to find a compatible drive with the Wii U, unless you...

This project is so unbelievably next level. Always a joy seeing updates. Very exciting seeing it all come together.

First handheld one, as far as I am aware. It's quite impressive.

Sort of. LumaDoub can only accept 15khz signals (480i/240p) and not 31khz signals (480p). So lumadoub would work with this, but it would be suboptimal. A standard YPbPr to RGB transcoder circuit would work better for this application, as you would want to use 480p.

Appreciate the interest! I will likely need help once I get the ball rolling. For now, I'm finishing up the design of a custom development board. It'll have lots of switches and solder jumpers to test and change all sorts of features and options. Primary pico and dev pico on board, lots of...

It's basically impossible to draw any conclusions without pictures. Posting several, clear, in-focus, detailed photos can help a lot.

Exciting progress today. After several days of troubleshooting, we finally have control of the chips through the i2c bus. (We had a very weird issue with the reset pin and command). Once we got the first example script working, and video on the screen, we could finally experiment with flipping...

This would be a suboptimal way to do so, as it will only accept 480i/240p for the input. You would want a YPbPr to VGA transcoder. Additionally, the plan for now is an open source project to be integrated and reused elsewhere, rather than a complete product to sell. The primary goal here isn't...

LumaDoub is a community project with the goal to create an open-source, low cost line doubler and transcoder solution. The vision for this project is not to create a specific product, but a framework and toolkit to be integrated in many other projects. In its most basic state, LumaDoub should...

Oh jeez yeah I misunderstood. Do not attempt to reduce any power supply with a voltage divider. That is a very fast way to burn things up.

Yes, you should be able to just replace the feedback resistors on the PMS boards to change the output voltage.

The VGA Patches are included in RVLoader, and the pinout is included in the Wii Trimming guide.

Finding a screen that large with that specific low resolution is highly unlikely. Ones with component input are few and far between, but that shouldn't matter for Wii Portables since the Wii can output VGA with the VGA patch.

I wonder if you could "boost gamma" by replacing the 75 ohm termination resistors with lower value ones. Not sure if this would help, or just make things worse by clipping and blowing everything out. Guess it depends on how the 2x handles the input

This thread is wild. So much potential. I could see some crazy PS2 developments come out of this. Do you think USB 2.0 capability could be added through this method? Be it through the ps2's USB data lines, or through custom means elsewhere?

Loving this worklog! Love your mentality as well. Excited to see this one come together

Oh man I somehow missed this thread before. Is it too late to get in on this?

Any insight into into what each color is? I wonder if the data lines are simply being pulled to 3.3v. Orrrr possibly they lack the 3.3v pullups needed to function.

Not for the Wii U specifically. It just takes place here on the forums and on the BitBuilt discord server