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Messages - marcwolf

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Wiimote Finger Tracking / Re: How to differentiate tacking points?
« on: October 15, 2013, 10:11:05 PM »
Although this is a bit late you can do this

Put a single IR led on a set point on the puppet.
Turn it on and take a base reference reading.
Turn it off and now turn on your 3 leds
Take your reading from these and use the original base position to calculate the offsets.

This way you can move your puppet around and still work it it's position

I do this with two lots of 4 leds and you can switch them over very fast i.e. 10+ times a second

General Discussion / Re: How to detect more than 4 IR LEDS
« on: September 30, 2011, 10:53:30 PM »
One way you can do this is to group the LED's into set of 4 and turn them on and off as needed.

For example  LED's are A,B,C,D and E,F,G,H

Turn on A,B,C,D  and read the positions. Then turn them off
Turn on E,F,G,H and read the positions. Then turn them off

Depending on how fast the WII remote is at reading the values will determine how many sets of leds you can control.
Hope this helps

General Discussion / Help!!.. Different versions ov WII Remote and IR Camers
« on: September 30, 2011, 10:01:44 PM »
Hi Folks
My first post so be gentle.

I have a small projects that I want to use a WII Remote IR Camera in it.  I have brought several remotes from Ebay but when I open them I find that instead of the small metal surrounded camera module I find that there is a board.

The pin outs of the board look the same indicating that this is an I2C device - but I can find no other information on wether the unit is compatible with the normal projects.

My project is this.  I do animatronics and costuming as a hobby. One of the 'holy grails' or animatronics is real time lip syncing where your costume (think large headp[iece like Underworld Werewolf or baby Godzilla where the wearer is not seen).

If you have seen how James Cameron does the Avatar facial movement tracking then I hope to do someing simpler with 4 points around the mouth working like a flexible diamond shape. Crude but workable with low-processing-power chips.

Many many thanks for any advice.

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