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If you can't get the exact resistance you need you can use two series resistors to give you some more flexibility. But it should be possible to get the right value with one resistor. Pick the value such that if it's a little off the voltage is like 3.35V instead of 3.25V for example.

I would adjust the PTH resistor so that you're actually getting 3.3v. it's always better to be a little over than under. Also, I would add another ground wire or use a thicker wire. The voltage may drop over the wire from the increased resistance of the thinner wire.

1. Assuming your wiring is good, the speakers make contact from pressure so if everything isn't screwed together nicely then they may appear to not work. 2. Did you set the MODE pin high? 3. It could be that the i2c connection is not good. Check that SCW and SDW are connected properly.

You can also try making sure that the ground clump is continuous with ground. Sometimes that pad gets damaged.

Ah, my bad. That charger should be fine then. If you're getting all the right output voltages on the Wii, the next step would be measuring the U10 output. Also, please post a picture of the back of the board.

You have to use batteries. The charging IC on the PMS can't output enough current to power the Wii without batteries attached.

Look into creating a 2D drawing in Fusion. It's definitely possible and I've done it before. Make sure you set the scale to 1:1.

I would start with posting a picture.

If you are working on a portable I would suggest creating a worklog and asking your questions there.

You can find a wiring diagram for GC+ 2.0 on the 4layer tech pages under the "Documents" tab: https://4layertech.com/products/gc-2 For buttons, I'm not sure if you're talking about buttons or the actuators. Typically you have some buttons (like switch buttons or gamecube controller buttons) on...

I would definitely suggest investing in a logic analyzer at least, they are like 10 dollars and they allow you to see a plot of digital data vs time. They are very simple to use, you can use it with this software. I agree your chip is probably fried if it was smoking. The important part that you...

That should be fine then, you shouldn't need to add another one. What I would probably try as a first pass test is tie the data line to 3.3v (no GC+ attached) and just make sure that the multiplexer is working (does it output 3.3V and 0V on the other output for both sense pin states?). If it...

From a cursory glance, you don't have a pulldown resistor on the select line. That means when the dock is not plugged in the select line will be floating, which could be read as high even with no dock depending on ambient noise. Try connecting a 10k resistor to ground on the select line.

Just so you know, the Wii is probably one of the cheapest parts of a portable, so don't decide to make one based on the fact that you have a Wii. A raspberry pi portable is indeed probably the easiest beginner portable project. If you really want to make a Wii portable, I'd probably go for the...

For the stripped screw posts, you can try filling with epoxy then drilling them out again

This is how we know times are tough, when you have to do this :XD:

I want to start out by giving a huge should out to @Wesk and the 4LayerTech team for making all of this possible and accessible. When I first saw Wesk's Ashida, I knew instantly that I wanted to build one. It is truly a no-compromises portable. I decided to try FDM printing the case, to try out...

Looks fantastic! Love a clean build.

The traces for WiFi and Bluetooth are relatively high speed, and as such require certain considerations as they are routed on the PCB. You mentioned length matching, which is one of those considerations. Other considerations are trace length and impedance. On the PCB, the traces can be...

I would not trust any resistance measurement test on a live circuit, always disconnect the circuit before measuring resistance. I don't the details of how exactly the Wii works, but I don't think there should be anything inherently wrong about the DI/CK lines being shared. IIRC the Wii is just...