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Amablue
Joined: 13 Dec 2006
Posts: 95
Location: California
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 Posted: Thu Dec 21, 2006 8:15 pm Post subject: |
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There are three LEDS facing forward, and two angled ones (one on each side of the group of three, facing out. That makes it easier for the Wiimote to pick it up when not directly facing it).
And infrared LEDs should do fine. |
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CronicZ00
Joined: 21 Dec 2006
Posts: 3
Location: Ontario, Canada
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| Posted: Thu Dec 21, 2006 11:44 pm Post subject: |
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Hey Amablue, I really like your sensor bar! How well does it work when you sit at your pc? And what's the range on it working well with the Wiimote? I'm buying a bluetooth adapter soon, probably a cheap one (<15$), and I need to build a sensor bar for myself because I sit fairly close to my monitor.
To say the truth, I would really have no idea what to do with the resistors and etc. when building one, so maybe I could just copypasta yours? If you don't mind, could you help me out a bit? I don't know which LEDs to buy, resistors, or even how to wire it all (including the USB part, I can find one somewhere, I work at a PC store part time, but thus far in my life, I'm an electronics noob, something that I wish to change...eventuall, lol.) |
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arma
Joined: 22 Dec 2006
Posts: 4
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| Posted: Fri Dec 22, 2006 4:29 am Post subject: |
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why do we need it tho?  |
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MattTS
Joined: 22 Dec 2006
Posts: 2
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| Posted: Fri Dec 22, 2006 11:12 am Post subject: |
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What would be the optimum spacing between the groups of LEDs for a 26" LCD TV?
What would be the best way to group my 8 LEDs? I was thinking of 2x2 on each end.. |
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Amablue
Joined: 13 Dec 2006
Posts: 95
Location: California
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| Posted: Fri Dec 22, 2006 11:22 am Post subject: |
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| CronicZ00 wrote: | Hey Amablue, I really like your sensor bar! How well does it work when you sit at your pc? And what's the range on it working well with the Wiimote? I'm buying a bluetooth adapter soon, probably a cheap one (<15$), and I need to build a sensor bar for myself because I sit fairly close to my monitor.
To say the truth, I would really have no idea what to do with the resistors and etc. when building one, so maybe I could just copypasta yours? If you don't mind, could you help me out a bit? I don't know which LEDs to buy, resistors, or even how to wire it all (including the USB part, I can find one somewhere, I work at a PC store part time, but thus far in my life, I'm an electronics noob, something that I wish to change...eventuall, lol.) |
Go to RadioShack and get a 5 pack of 33 ohm resistors (should be in the top left parts bin). Also get 4 infrared LEDs (should be the next column over). Then get a 4x2x1 project box. Also, if you don't have soldering equipment (solder and a soldering iron) get that too.
If you're going to use a USB cord to power it, find something you're not going to use and cut the cord off it. Open it; you should find 4 wires inside. You want just the red and black ones, ignore the rest.
Here's roughly what the circuit looks like:
That means that your power wire (the red one) will split off and run to two resistors, both of which will go into a set of 2 LEDs, and then connect to the black cable.
So first things first, drill some holes in your project box's lid as far to the edge as you can, and make sure the LEDs just barely fit through. Then, glue them in place. There are two prongs sticking out of the back of each one, read the directions to see which side is + and which is - and touch them together like this:
http://home.comcast.net/~amablue/pics/sensor/IMG_1547.JPG
Not the greatest picture, but you get the idea. Keep track of which side is + and which is -, it's important. From here, you just want to make sure that you follow the picture. Have the red wire from the USB cord run to two resistors, which lead to the - side of the LED couples that you just soldered together, and then have both of the LED couples go to the back wire.
It'd probably be good to make a test like this if you dont know what you're doing, just to make sure you can get it:
http://home.comcast.net/~amablue/pics/sensor/IMG_1527.JPG
Also, to make it mount on my laptop screen, I cut a slice out of the project box so I could just slide it right over the lid, as one of the pictures shows. |
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defrex
Joined: 01 Dec 2006
Posts: 88
Location: Toronto, On, Ca
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| Posted: Fri Dec 22, 2006 2:21 pm Post subject: |
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Thanks for the guide. You mind if I put that in the wiki?
_________________
The GNU Revolution
My blog is at defrex.com |
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daedalus
Joined: 22 Dec 2006
Posts: 2
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| Posted: Fri Dec 22, 2006 5:46 pm Post subject: USB Sensor Bar |
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I just finished my own USB-powered sensor bar, using a 2x2 configuration. The LED's are about 8" apart, which is about the same distance between each cluster of LED's on the actual Wii hardware. Now, I'm not an electrical major, but I managed to get this working fine without any resistors or complex circuits--just a plain serial arrangement of LED's, wired to the 5v power leads on a USB cord. GlovePIE and the Wiimote seem to work great with the IR script and this setup.
Sorry, the spam filter on this forum is preventing me from posting any URL's to my project page. I just wanted to share my hack.
If interested, you'll find the build isntructions and pics on my website, terbidium[dot]com; click on Projects -> Wiihacks -> USB Sensorbar |
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