Teensy Script Plays Nintendo Switch, Strikes Out

The most recent of the Zelda franchise, Breath of the Wild, is known for its many, many puzzles.  One of the more frustrating ones involved bowling with a giant snowball at the top of a hillside.  [Bertrand] did not like this, so he cheated the system hacked the Nintendo Switch so that he “genuinely earned” a strike every time he played.  He achieved this by writing a script for a Teensy module that got him those sweet rupees.

The Teensy houses an Atmel 90USB1286 microcontroller.  When paired with LUFA software, it can emulate numerous controllers including keyboards, joysticks, etc.  It also handily has a Mini-B USB connector located on its rear, allowing it to communicate to the Switch with ease.  After confirming the hardware was compatible, [Bertrand] looked towards the software side noticing the similarity between what already existed and what he was attempting to accomplish.  He happened upon this in a Splatoon 2 fork that allows players to draw posts. 

In essence, it takes image files as input and emulates the controls and buttons to draw a 1-bit version of the image automatically.  This takes care of syncing the hardware as well as how to simulate the button presses.  But instead of reading an image file, it needed to take a custom script as the input.  This required starting from scratch.  The first logical step — of course — was to create a language similar to Logo, a name that surely brings back memories of the time of big hair and shoulder pads.  He only needed a handful of simple commands to control Link:

typedef enum {
	UP,
	DOWN,
	LEFT,
	RIGHT,
	X,
	Y,
	A,
	B,
	L,
	R,
	THROW,
	NOTHING,
	TRIGGERS
} Buttons_t;

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A Switched Game Boy Advance SP

After Nintendo’s wild success with the Wii U, Nintendo released it’s Nintendo Switch. The switch functions primarily as a home console, stagnantly connected to a display. However, Nintendo switched things up a bit: the Switch can be removed from its dock for standalone tablet-like use. But there’s a slight problem: when the Switch is in portable mode, it leaves behind a bleak and black box. What’s one to do? Worry not: [Alexander Blake] is here to save the day with a Game Boy Advance SP and an X-Acto knife.

After casually noting that the main control board of the Switch was roughly Game Boy Advance SP sized, [Alexander Blake], aka [cptnalex], knew it was meant to be. After retrieving his broken Game Boy Advance SP from his closet, [cptnalex] set to work turning his Game Boy into a Nintendo Switch dock. When he was done, the results were stunning, especially considering the fact that this is his first console mod. Moreover, the very fact that he did it all with an X-Acto knife rather than a Dremel is astounding.

With the screen providing support to the Switch, [cptnalex’s] design leaves some to be desired for long term use. But we know for sure that [cptnalex’s] design does, in fact, work. Due to naysayers of the internetTM, [cptnalex] filmed a video of his dock in uses (embedded after the break). But, what the design lacks in structural stability, it more than makes up for in aesthetics. On the device itself, [cptnalex’s] history with controller painting shines through.

If you want to see more of [cptnalex’s] work, you can follow him on Instagram. For more console mods that will take your breath away, look no farther than [Bungle’s] vacuum formed portable N64.

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