Turn ‘Em On: Modern Nintendo Cartridges May Have A Limited Lifespan

Cartridge-based consoles have often been celebrated for their robust and reliable media. You put a simple ROM chip in a tough plastic housing, make sure the contacts are fit for purpose, and you should have a game cart that lasts for many decades.

When it comes to the Nintendo 3DS, though, there are some concerns that its carts aren’t up to snuff. Certain engineering choices were made that could mean these carts have a very limited lifespan, which could now be causing failures in the wild. It may not be the only Nintendo console to suffer this fate, either, thanks to the way modern cart-based consoles differ from their forebearers.

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One Lucky 3DS Gets A Switch-Style Dock

The Nintendo Switch dock set a new bar for handheld docking user experience – just plug your console in to charge it, output image to your monitor, and keep it working with any USB peripherals of your choice. What if a 3DS is more your jam? [KOUZEX] shows off a Switch-style dock design for his gorgeous yellow 3DS, with Switch Pro controller support, and this dock wasn’t just a 3D printing job – there’s a fair bit of electronics to show, too.

While the 3DS looks stock at a glance, it has already been upgraded internally – there’s a USB-C capture card built in, half-ticking the “monitor output” requirement, and a Raspberry Pi board turns that output into HDMI. Building a charging dock is also pretty simple, with just two contacts on the side that desire 5V. Now, the pro controller support was a fair bit harder – requiring an internal modchip for emulating buttons, and trying out receiver boards for the Switch controller until a well-functioning one was found.

The build video is quite satisfying to watch, from assembling some QFNs onto tiny OSHPark boards using a hotplate and soldering them into the 3DS, to planning out, building, and dremeling some prints to create a true slide-console-into-dock experience, same way the Switch pulled it off. It even has the same USB-C and HDMI arrangement as the Switch dock, too! Want a simpler dock for your 3DS? Don’t forget that you can build a charger dock for yours with just a 3D print and a few wires.

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Computer rendering of a DIY, purple Nintendo Wavebird controller adapter

Wavebird Controller Soars Once More With Open Source Adapter

After scouring the second-hand shops and the endless pages of eBay for original video game hardware, a pattern emerges. The size of the accessory matters. If a relatively big controller originally came with a tiny wireless dongle, after twenty years, only the controller will survive. It’s almost as if these game controllers used to be owned by a bunch of irresponsible children who lose things (wink). Such is the case today when searching for a Nintendo Wavebird controller, and [James] published a wireless receiver design to make sure that the original hardware can be resurrected.

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Switch Switch 2 To CRT

Have you ever imagined what the Nintendo Switch would look like if Nintendo had produced it in the mid-1990s? [Joel Creates] evidently did, because that’s exactly what this retro CRT-toting Switch 2 dock looks like.

Yes, it is portable, thanks to a 100W power bank torn apart and built into the 3D printed case. The full-color CRT comes from a portable TV, so it’s got portability in its heritage. Fitting all that chunky CRT goodness into a hand-held was, of course, a challenge. [Joel] credits AI slop with inspiring the 45-degree angle he eventually settled on. However, the idea of recessing handles inside the case so it could be thick enough but still comfortable to hold was all base-model H.Sap brainpower. There are shoulder controls hidden in those recesses, too, for the games that can use them.

We particularly like the cartridge-like way the Switch 2 slides into place with a satisfying click as its USB-C port connects. It’s plugging into an extension cable that leads to the guts of an official Nintendo dock, buried deeply (and conveniently) inside the 3D-printed box, stacked neatly with the HDMI-to-VGA and VGA-to-Composite converters [Joel] needed to get a nice 4:3 image on the CRT. No word on if he blows on the Switch 2 before plugging it in, but we certainly would.

We’ve featured plenty of portable game systems over the years, and some have been very well done, like this exquisitely done PS2 conversion — but very few have brought CRTs to the party. This retrofitted Game Boy is about the only exception, and [Joel] calls it out in his video as inspiration.

It looks like this is the first Switch 2 hack we’ve featured (with the exception of a teardown or two), so if you know of more, please let us know.

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Animal Crossing keyboard banner

Making GameCube Keyboard Controller Work With Animal Crossing

[Hunter Irving] is a talented hacker with a wicked sense of humor, and he has written in to let us know about his latest project which is to make a GameCube keyboard controller work with Animal Crossing.

This project began simply enough but got very complicated in short order. Initially the goal was to get the GameCube keyboard controller integrated with the game Animal Crossing. The GameCube keyboard controller is a genuine part manufactured and sold by Nintendo but the game Animal Crossing isn’t compatible with this controller. Rather, Animal Crossing has an on-screen keyboard which players can use with a standard controller. [Hunter] found this frustrating to use so he created an adapter which would intercept the keyboard controller protocol and replace it with equivalent “keypresses” from an emulated standard controller.

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Game Boy? NES? Why Not Both!

If you’re a retro Nintendo fan you can of course carry a NES and a Game Boy around with you, but the former isn’t very portable. Never fear though, because here’s [Chad Burrow], who’s created a neat handheld console that emulates both.

It’s called the Acolyte Handheld, and it sports the slightly unusual choice for these parts of a PIC32 as its main processor. Unexpectedly it can use Sega Genesis controllers, but it has the usual buttons on board for portable use. It can drive either its own LCD or an external VGA monitor, and in a particularly nice touch, it switches between the two seamlessly. The NES emulator is his own work, while Game Boy support comes courtesy of Peanut-GB.

We like the design of the case, and particularly that of the buttons. Could it have been made smaller by forgoing some of the through-hole parts in favour of SMD ones? Quite likely, but though it’s chunky it’s certainly not outsized.

Portable Nintendo-inspired hardware is popular around here, as you can see with this previous handheld NES

The Switch 2 Pro Controller: Prepare For Glue And Fragile Parts

The Switch 2 Pro controller’s battery is technically removable, if you can get to it. (Credit: VK’s Channel, YouTube)

For those of us who have worked on SNES and GameCube controllers, we know that these are pretty simple to get into and maintain. However, in the trend of making modern game controllers more complex and less maintainable, Nintendo’s new Switch 2 Pro controller is giving modern Xbox and PlayStation controllers a run for their money in terms of repair complexity. As shown in a teardown by [VK] on YouTube (starting at nine minutes in), the first step is a disappointing removal of the glued-on front plate. After that you are dealing with thin plastic, the typical flimsy ribbon cables and a lot of screws.

The main controller IC on the primary PCB is an ARM-based MediaTek MT3689BCA Bluetooth SoC, which is also used in the Switch 2’s Joy-Cons. The 3.87 V, 1070 mAh Li-ion battery is connected to the PCB with a connector, but getting to it during a battery replacement might be a bit of a chore.

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