Archive: Howto

PlayBook add-on (ofxQNX)

After receiving my BlackBerry PlayBook through the developer offer in March, I started to think of the possibility of porting NodeBeat to the PlayBook platform. As this is my first tablet (yea I know, as a multitouch enthusiast its quite weird not [...]

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NodeBeat, openFrameworks and Android

Last month we (Seth Sandler and yours truly) released the Android port of the popular iPhone/iPad music application NodeBeat. NodeBeat was created by Seth Sandler and Justin Windle earlier this year and released in April for the iOS platform. It [...]

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An introduction to emulation

In the early 90s I primarly used my Commodore 64 (C64) for gaming. As Santa never gave us a Nintendo, I probably used my C64 until the late 90s. At that point I was introduced to the concept of emulators. [...]

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Two new howto’s added to the article section

I’ve posted two Howto’s on compiling touchlib in Windows (XP and Vista) and Linux (Ubuntu). Howto: Compile Touchlib in Windows Howto: Compile Touchlib in Linux Both compile instructions apply to subversion rev.73 of touchlib. If you followed the Howto’s and [...]

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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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