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So apparently the Japanese produced this sewing machine that had a slot for a Gameboy color and connected to it withrough the game slow. This would bring up an interface on the gameboy so that you can control the sewing machine with it.
This has got to be the most Japanese thing on the face of the planet.
It seems to me at the height of gameboy, all of them really, there was this idea that it was a general interface that was useful for almost anything, we just never really saw that much in america.
I've seen all sorts of stuff in this vein, for example there is a real fish radar finder that also uses the gameboy as a interface called gameboy sonar (picture attached)
Then there was the gameboy camera, which had the sole purpose of taking and sharing pictures... if you can call 4bit grayscale a "picture" :)
There was even a gameboy printer.
Also as another user pointed out ( @penny ) there is the gameboy loom.
All pictures attached.
I am sure there are many more devices in this vein that I havent thought of yet.. but yea, this is a thing.
Did you grow up in japan? I'd imagine if you were anywhere outside of Japan, like me, you never would have seen any of this. Only thing I knew about until recently was the gameboy camera and that was the only one I think with any real presence in the USA. It was used in a handful of games I think.
