Wii U Gamepad zero/gamepi project thread

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jiminyC
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Re: Wii U Gamepad zero/gamepi project thread

Post by jiminyC » Fri Mar 31, 2017 4:16 pm

I joined this forum just to ask @kite if there would be an update on the simple controller for that display? I'd love pads to solider HDMI wires to rather than a fat plug but no mater what, a simpler and smaller controller board for that lcd from eBay would be awesome. Even the smaller of the two could be and thus should be smaller.

I just started this project and am quite franticly waiting on post from China.

My goal is to create a single board solution to this. A new motherboard for this case with a raspberry pi 3 (or Asus tinker board for a bit more ram) at its heart. It would also contain the ribbon and joystick connections as well that moves to a teensy. The charging loop will incorporate the original charging pads\power jack. The original audio switch will be used as well. I even want to reuse the display bracket that most models throw away. As stock as poosible. I'm willing to go as far as to hire an LDC controller board company to design a controller for both the original LDC and the touch interface that is also compatible with the raspberry pi 3\asus tinker board.

I'm using this as an opportunity to learn how to design a motherboard\PCB design. But I figure the first thing to do is to build it they way every one else has been for quite some time. I'll get fancy on my next one. Not a dime will be spared: I will have this perfection in my life.

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LordDarkScream
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Re: Wii U Gamepad zero/gamepi project thread

Post by LordDarkScream » Sat Jul 22, 2017 10:17 pm

Anyone have any info on how to wire the home/tv/power button to a teensy unit?

LordDarkScream
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Re: Wii U Gamepad zero/gamepi project thread

Post by LordDarkScream » Mon Jul 31, 2017 5:08 am

Anyone have an audio schematic and not a block diagram?

DieKatzchen
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Re: Wii U Gamepad zero/gamepi project thread

Post by DieKatzchen » Mon Aug 07, 2017 6:58 pm

I can actually think of some uses of the touchscreen. SCUMMVM, DosBox, DS, maybe strategus? Could probably use v-usb to make it into a usb touchpad.

[Edit]Scratch that, just use this. It even has a calibration program. Windows only, but you can just plug it into a pc for the calibration before connecting it to the pi.[/Edit]

[Edit2]Or just use the calibration script by this guy. Convenient.[/Edit2]

CJnyc3
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Re: Wii U Gamepad zero/gamepi project thread

Post by CJnyc3 » Thu Aug 31, 2017 7:43 am

If anyone is looking for a solution the home/tv/power button using teensy and the pololu big switch. I have created a PCB to help with that if anyone is interested. I have it in Oshpark. It can be ordered and then you would have to solder on the components. I used 0805 LEDs and resistors SMD.

Push buttons from ebay
http://www.ebay.com/itm/10pcs-Tact-Swit ... SwDNdVkrVh

Oshpark: https://www.oshpark.com/shared_projects/PxxdBxo7

Image

DJJK
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Re: Wii U Gamepad zero/gamepi project thread

Post by DJJK » Mon Nov 20, 2017 5:15 am

Does anyone have the original motherboard of the Wii U gamepad? And if so, could you make a life size foto/scan?
I want to make a replica of this to house all the components on it. Or at least try it so I don’t have to make a lot of changes to the case.

chaosratt
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Re: Wii U Gamepad zero/gamepi project thread

Post by chaosratt » Fri Dec 08, 2017 11:57 pm

I have some photos of it, but its with my cell phone, so the alignment isn't perfect.

It seems the ribbon/FPC connector for the buttons is settled, but has anyone located the correct socket for the analog sticks, or are we stick cutting those?

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Re: Wii U Gamepad zero/gamepi project thread

Post by Helder » Sat Dec 09, 2017 4:54 pm

I found it on Digikey some time ago, it's a Japanese brand that makes it and it fits perfectly. I don't have them on hand to find the actual part number right now.
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Re: Wii U Gamepad zero/gamepi project thread

Post by chaosratt » Sat Dec 09, 2017 4:58 pm

Nice, when you get a moment please share those. It's going to be a few weeks before I get my screen anyway.

hellbent
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Re: Wii U Gamepad zero/gamepi project thread

Post by hellbent » Mon Feb 12, 2018 10:29 am

i've been wanting to build one of these for a while now and have just begun. i was really bolstered when i saw ben heck do a no-hdmi-pi handheld recently. i have an 8bcraft handheld for a pi zero and the composite output just makes me sad so i had always been looking for an hdmi screen to fit in the wii u gamepad and then when i learned i might not even need HDMI i decided to go ahead.

i've since ordered a 6.2" tft from aliexpress with 40pin ribbon and the adafruit tft-friend adapter board to get it onto a pi 3 which i will put on a diet and remove all of the extra ports.

here's the screen -> https://www.aliexpress.com/item/6-2-inc ... 66597.html
the tft friend from adafruit -> https://www.adafruit.com/product/1932

i'll let you know how the screen setup goes soon as i get my hands on it. mean while i've got the gamepad disassembled and cleaned. going to reuse as much original parts as i can to keep it looking stock and functional. i'm even toying with adapting the cradle ports to still work for charging from a modified power adapter (while leaving a micro USB port for on-the-go charging).

still looking for a suitable battery but i'll leave that until later once i determine if this setup will even work.

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