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DIY Multitouch Table

There is a definite hunger out there for inexpensive DIY technology . When I discovered this video which teaches viewers how to make an DIY multi touch table screen and save a bundle, I knew I had a find. The elements required are ,2 chairs,acrylic sheet,paper,projector,mirror,infrared camera (made from a webcam) and a computer

According to,shadows on the surface are tracked and sent to multitouch applications as touch positions. This technique is known as "front diffused illumination." While this solution is certainly not going to win any awards for design or stability, it provides an inviting gateway into the use of multi-touch for any number of applications.