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
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.