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Rotten Circuits
March 11th, 2007
10:20 pm

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Wii update
I promised a more complete update.

Basically, the Wii sensor bar is not. A sensor bar, that is. It's two sets of five infra-red LEDs powered from the Wii via that tiny cable, and picked up by a camera in the remote. After that, it works pretty much how you'd expect.

This means that if you can create two IR sources and place them in the appropriate place near your screen, you can use the Wii without having the sensor bar connected. This is good if, for example, you have a projector - it is very tricky to both connect the Wii to the projector, and position the sensor bar near the screen.

I don't know why Nintendo didn't include a battery pack with the IR bar, but they didn't.

My experimenting this evening produced one reliable emitter, which was unfortunately burning out the LEDs, and one unreliable emitter which was not. I think with the right resistors, it'd work just fine, but I need to sleep now - I will try to offset the fact that my sleep will be bad by getting lots of it (for me).

Wow, a whole post without sounding paranoid or cranky despite being ill. It's all an act, I assure you.

Current Mood: angryparanoid and cranky
Current Music: Whirring of fans
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From:blackydragon
Date:March 12th, 2007 09:18 am (UTC)
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I must admit i'm a n00b when it comes to the Wii, this IR bar, do you plug it into the tv then? or is it like the old light guns?
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From:wererogue
Date:March 12th, 2007 10:14 am (UTC)
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No, you plug it into the Wii, and then sit in on top of or underneath the TV. It is a *bit* like the old light guns, in that it just triangulates.
From:funcan
Date:March 12th, 2007 06:21 pm (UTC)
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Wouldn't it be far easier to just build a supply for the existing wii lightbar? Not that a regulated supply, a couple of resistors and a couple of IR leds is hard, but it seems more sensible to just build the powersupply...
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From:wererogue
Date:March 12th, 2007 07:24 pm (UTC)
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Well, I can afford to blow a few IR leds, but I don't want to fuck the warranty on my Wii, and to avoid doing that I'd have to (a) get it right and (b) build a custom interface to mimic the wii's socket...
From:funcan
Date:March 13th, 2007 08:57 pm (UTC)
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Fair points. Damn Nintendo and their proprietry sockets.
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