Archive: Multitouch

Touch Tracer v0.2 release

Last week I managed to get touchlib compiled under Ubuntu Linux (thanks Xvarg). While bug fixing and updating my touch tracer source code, I also tried to compile it in Ubuntu. Since I am not a linux guru, getting the [...]

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It’s alive!

It works! After the last blog not much had to be done about the FTIR screen. Actually I only used some tape to hide the wires on the sides. With all LED’s in place and the frame being placed on [...]

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Let there be light

In this final step of building the FTIR prototype I will cover the soldering of LEDs. In my previous blog post I already calculated that 30 LED’s would be enough to cover the entire plate. As power source for my [...]

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Aluminum frames

Inspired by other FTIR prototypes I decided to use an aluminum frame. The main reasons for are because its cheap and strong. Before actually working on the frame, I made a drawing in AutoCAD. Within this drawing I could easily [...]

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One acrylic plate, one afternoon and one tired arm

The FTIR prototype which I am building will be using an acrylic plate which will be mounted in a frame. I tried to maintain the aspect ratio of a regular screen (4:3). The size of the plate is 41 x [...]

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Enjoy the view

For the past several days, I have received parts for constructing my touchscreen prototype which is based on Frustrated Total Internal Reflection (FTIR). Today I will cover how the lens of the Philips webcam can be dismounted and replaced by [...]

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Multi-touch panel journey

Perhaps you noticed an article about multi-touch screen devices which I posted sometime ago. Inspired by the movies and publications of Jeff Han and Mitsubishi (Diamond touch table) I will be doing my master thesis research project on multi-touch gesture [...]

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