Worklog My attempt at making a gamecube portable

[juankamq]

I know, I know. A wii is better and all that... I have about 3 gamecubes with a broken laser, 1 dol 001 and 2 101.
I built a really really bad gamecube portable back in 2011 I think, when the modretro forums were still alive and it came so crappy that I didn't forget it.

Anyways here I am 12 years later , once again trying to create a more refined gamecube portable with a bit more money and knowledge.

Requirements:
AlmostWTF cut
4.3 TFT screen from ebay (the regular backup camera screen)
Nintendo Switch buttons and joysticks
Single circuit board for power (1.9v and 3.3v)
Single circuit board for controllers and audio
18650 batteries and BMS (i'm happy if it gives me 1 hour of play time)
Picoboot
3D printed case

 

[Goodie175]

I think its totally doable. I was starting this as well but accidentally sent the wrong voltage to my 3.3v line an nuked the GC motherboard. The downside of using the GC motherboard is battery life and size but if you can get past that I see no problems with making it.

 

[juankamq]

I think its totally doable. I was starting this as well but accidentally sent the wrong voltage to my 3.3v line an nuked the GC motherboard. The downside of using the GC motherboard is battery life and size but if you can get past that I see no problems with making it.

I've done that a couple of times lol and I don't care about battery life. It's just a fun project.

Today's update:
Started looking around to which components i'll be using and I have most of them ordered.
1.9v reg - OKL-T/6-W12P-C Murata Power Solutions - 4.5-14V input, 0.591-5.5V output @6Amps
3.3v reg - Cheap and tiny DC-DC converter from aliexpress - 4.5-24V input, 1.8V, 2,5V, 3.3V, 5V, 9V, 12V output @3A
Batteries - Samsung INR18650-35E x2 3500mAh each
BMS - 2s @10A from aliexpress
Display - 4,3 inch TFT from ali
Fan - 12v 40x40x10mm used on 3dprinters, hopefully can run on lower voltages
USB-C port (for charging only)
JK FlipFlop (i'll attempt to power on and off the portable with a single tact switch)
ISL22511 - digital potentiometer that only requires 2 switches (for audio)
PAM8403 as audio amplifier
Switch buttons
Switch joysticks
And other miscellaneous tact switches and connectors for the joysticks

It'll take a while to have all that in my hands, in the meantime i've started designing everything I already have in fusion360 so I can have a basic layout for the case.
Components I have:

This is what I came up with:


It's only 119mm or 4.68 inches, which is pretty small

 

[juankamq]

This weekend I started playing around in fusion360 to make a case. this is what I came with:
Front:

Back:

Complete:

3d printed without the front holes for size reference

I'm liking it so far

 

[Goodie175]

Looking good so far can't wait to see the final result!

 

[juankamq]

Today I started reverse engineering the original controller to relocate it to another board. I'm pretty much new to pcb design and kicad so it's taking me quite some time.

I think I have the very basics to make the controller work, here are some screenshots:
Schematic:

PCB layout:

PCB 3D Front:

PCB 3D Back:

This is pretty much a mockup and won't be final. I'm still missing a lot of components and i'll continue with this once they arrive