
With all the buzz about the Apple iPad and smart phones, multitouch surfaces are becoming common in all of our gadgets. Here’s a thorough tutorial sponsored by Duke University which demonstrates how you can build your own multitouch surface. The system uses a projector, webcam, and acrylic sheet to detect finger presses on a surface.
- Don’t Miss: 5 Minute, Dirt Cheap Multitouch Pad
![FS8OG7DG7DY78TK.MEDIUM[1]](http://hacknmod.com/wp-content/uploads/2010/04/FS8OG7DG7DY78TK.MEDIUM1.jpg)
We’ve covered a far simpler version which you can build in literally 5 minutes using basic materials and a Phillips Webcam. This version, however, uses a projector which causes the overall project cost to be around $2500. So unless you already have a spare projector, the economical version is the way to go.






































April 18th, 2010
I’m guessing you can probably do this a LOT cheaper by using one of those cheap handheld projectors at approx $300 – $350, but you would probably not have as nice of a resolution.
April 20th, 2010
It should be mentioned, there are a few “Pocket Projector” devices out there which would significantly reduce the price. look one up on amazon