Tracking fingers with the Wii Remote

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Using an IR led array and some reflective tape, you can track fingers in thin air using the Wii Remote by Johnny Chung Lee, Carnegie Mellon University. The grid software is a custom program written using a C# wiimote library and DirectX. More information about the grid software can be found at

Channel: Science & Technology
Uploaded: November 8, 2007 at 7:13 pm
Author: jcl5m

Length: 00:04:07
Rating: 4.89
Views: 1891802

Tags: wii remote wiimote minor report finger tracking human computer interaction Johnny Lee CMU Carnegie Mellon University

Video Comments:
flippinsweet17 (November 19, 2008 at 2:55 am)
with a trip to radio shack
ZaffireWolf (November 18, 2008 at 4:22 am)
Very interesting, even if some of the materials required were a bit obscure. Very well narrated, and very well explained. I feel I understand how the Wiimote works much better now.
WwCloudwW (November 18, 2008 at 3:12 am)
Could anybody tell me what he's saying at 1:20? I think it starts with "...but you can make something sufficient blablabla"... what's the full sentence? Spanish guy here, with sorta crappy english listening, sorry xD I'm trying to get that sexy wiimote thingy done, just missing the LED array, and looks like in that part of the vid he says where to get one. Thanks for the help.
abc123milk (November 18, 2008 at 1:18 am)
ah sweet so this can be like a home experiment! thanks!
OoOPolarbearOoO (November 17, 2008 at 6:59 am)
this doesnt use the wii...

It does use a wiimote though... You could get away with an IR camera but you'd have to source that and somehow get it to work properly...
samanth567 (November 16, 2008 at 11:19 pm)
hey that was pretty cool i will probably try that some time
pablotablo49 (November 16, 2008 at 7:17 pm)
we can do that without the IR led array??
jemoederisvieshoerrr (November 16, 2008 at 6:27 pm)
Youre exactly right, according to the field of human psychology.
Cojones777 (November 15, 2008 at 8:21 pm)
He's right actually. To believe one race is smarter than another is just believing in stereotypes.
It's the enviroment you grow up in that makes you who you are, not race, altough there's an indirect influence.
Tick54 (November 15, 2008 at 5:39 am)
Brain Wave!

Wrap some reflective tape around your fist to play Wii Sports Boxing! Probably wouldn't work, bu it's a neat thought.