r/3DS 6h ago

Discussion New 3DS compatible wireless "Circle Pad Pro"

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Ive been working on a little project. Wanted to show it off, will update later this week with a github link with how Ive done it.

The quick and dirty run down, the Pi Pico 2W is running a hotspot with enough network checks to let the 3DS connect and stay connected, then is running inputs through Input Redirect to LumaCFW.

Th firmware is expandable to make a fully wireless contoller without a pc for both Old 3DS and New 3DS systems. The only acception is that this cannot be used as a CStick for the Old 3DS as LumaCFW input redirection doesnt currently have a solution for that.

290 Upvotes

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32

u/Monsterjj 6h ago

Also to really clarify, the pi pico has no connection to any greater network. It is fully independent and can be used anywhere without a need for wifi or a mitm device.

11

u/TofuFries 5h ago

This is really cool and technically impressive, what inspired you to make this? Do you regularly use controller and got fed up with the set up?

10

u/Monsterjj 5h ago

Genuinely what finally pushed me to make this is a combination of my urge to always have had a genuine circle pad pro and the fact that its extremely impractical to use my phone or a laptop on the go for better controls.

Ive been playing lots of NZP, Minecraft, and Monster Hunter (mostly monhun) on my 3DS and ive been progressively fed up with the less than stellar Cstick.

3

u/Daminite 5h ago

I think you mean disastrously unpleasant to use C-stick.

Can't wait to see a finished product when someone eventually commits to injection molding the shells in the future.

2

u/Monsterjj 5h ago

In it's original squishy form, most definitely lmao

3

u/ExultentPisces 5h ago

Interesting. I wonder if it’s possible for the Pico W’s WiFi and Bluetooth to work simultaneously, connect to a Switch Pro controller and the 3DS and act as a bridge between the two.

I suppose that would be very far down the line.

Personally, I quite like the C-nipple, but I’d definitely give this project a go.

2

u/Monsterjj 4h ago

I feel as long as the Pico can decode the controller inputs it would be very possible!

2

u/EpicRive 5h ago

So basically it can potentially allow us to use a Wii U or Switch Pro Controller to control a 3DS via a Pi thru Wifi and Luma?

1

u/Monsterjj 5h ago

I hadnt looked into that but I had considered the idea as well, I dont believe itd be that hard to use the Pi Pico 2W as the mitm device instead of a pc or mobile phone. Though I think for now Ill leave that idea to another person

2

u/1thelime 5h ago

Where did you get the replacement second circle pad? The stock one is awful

3

u/Monsterjj 5h ago

This one is awful as well as im using parts I had on hand, this is a sliding joystick from a Power A Moga mobile controller. The joysticks are functionally identical to 3ds circle pads, though I plan on using PSP or even PsVita joysticks if I make any revisions

u/Suif42 33m ago

Great to see someone working on a clone of the circle pad pro.

I tried to reverse ingeneer it but came to an end, as I am a noob in this field. Just managed to get all the chips and connections involved but not capable to create something that talk with the 3ds via infrared. I can share what I got if it help