How to make a Low cost Multi- Touch Pad

A Multitouch Mini, MTmini for short, is a cheap, small, portable multitouch pad. The MTmini uses the “Front Diffused Illumination” multitouch technique, with normal ambient light (infrared not required or needed) and a normal off-the-shelf webcam (IR filter can still be in place). The MTmini technique is the first step in creating a full multitouch display.

A detailed description is available on  www.sethsandler.com/multitouch/mtmini/

When you place your fingers on the surface, shadows are created where your fingers are placed. The webcam sees these shadows and sends the image to the tracking software which tracks the shadows as they move on the touch surface (paper).

SOFTWARE DOWNLOADS

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