December 19th, 2007

A beating heart in a jar
Kinetic sculpture produced at the Interactive Institute for the exhibition Man Machine 2 at the National Museum of Science and Technology (Tekniska Museet) in Stockholm. By artist Cristian Partos, Fredrik Bridell and Henrik Berggren.…
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Posted in projects | Tagged with art, heart, installation, man machine
December 17th, 2007
Last week I got loads of what looks like bounces for spam being sent with a sender address something@bridell.com. (Where something includes Largent-Coxwell, mosab.matza, porkwt, Ruquiyah_Hertel and other inventive aliases).
For anybody trying to track them down: I certainly did not send…
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Posted in ramblings | Tagged with rant, spam
December 14th, 2007
The problem
You’re this guy, or gal, somewhere where you have a crippled internet access. Probably for security reasons, somebody closed most of the outgoing ports in a firewall. You can surf, and use SSH.
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Posted in tutorials | Tagged with smtp, ssh, tunnel
December 14th, 2007
These are some notes I made while trying to get a Java OpenAL (JOAL) application start from a web page. The tutorial applies to Java 1.4.2, but it probably works similarly in newer versions.
There are some things you need to…
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Posted in tutorials | Tagged with dll, Java, joal, web start
December 12th, 2007
Processing is a free, open-source programming environment based on Java and the weapon of choice for most people doing artistic productions that require a bit of coding. Get it at processing.org
Mobile Processing is a cousin of Processing, but aimed at mobile phones…
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Posted in tutorials | Tagged with how-to, mobile, processing.org
December 12th, 2007
This refers to doing it on Windows XP – Vista is probably very similar.
For starters…
Java is a programming language, but it’s also something called a virtual machine. The way it works is you write code – source code – in text…
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Posted in tutorials | Tagged with Java
December 12th, 2007
The problem
I have a Java MIDP application, made with WTK, maybe using EclipseME or mobile processing. I want to run it on my Palm.
After digging into ways of doing this, I wound up running an application called jartoprc but it…
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Posted in tutorials | Tagged with Java, palm
November 29th, 2007

All you see is light
Interactive art piece with Arijana Kajfes at Interactive Institute (2004)
Monochromeye is part of a larger art driven project, occular witness, in which the artist Arijana Kajfes has been investigating properties of light as an artistic material and…
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Posted in projects | Tagged with art, goggles, monochromeye, occular witness, perception, wearable
November 29th, 2007

An interaction engine for hybrid realities
Interaction engine for multiuser interactive environments. Developed at the Interactive Institute 2003-2004.
The Multiuser Interactive Environment Language (MIEL) is an interaction engine developed at the Interactive Institute. I was part of the development theme (together with…
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Posted in projects | Tagged with interaction engine, MIEL, mixed reality, ubicomp
November 29th, 2007

A paranoid web spider searching for the devil on the Internet.
Digital art piece produced at the Interactive Institute Smart Studio by Thomas Broomé, Fredrik Bridell and Olof Bendt. (2001)
Hellhunt contains a web spider, a computer program that goes to one…
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Posted in projects | Tagged with art, autonomous, computer vision, installation, pareidolia
November 29th, 2007

Sharing a room with artificial creatures
Responsive environment made with the Interactive Institute Smart Studio, servo, and Pablo Miranda (2002)
The Interactive Institute Smart studio developed this piece in collaboration with servo, a research and development collective in the field of experimental…
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Posted in projects | Tagged with a-life, art, installation, interactive environment, mixed reality
November 22nd, 2007
When PD starts, audio is off, and you have to click the “compute audio” tick box. But what do you do when you want to start it automatically, like from a batch file?
The answer is, cryptically enough, “; pd dsp…
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Posted in tutorials | Tagged with puredata trick
November 14th, 2007

This is a little thing I made for artist Petra Vargova. It’s a home-made “shield” for the Arduino, i.e. this circuit fits on top of an Arduino board. (Indeed, it is sitting on top of an Arduino in the photo).
It’s…
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Posted in tutorials
November 14th, 2007

I wrote this little Processing application I’d thought I’d share with you.
It opens a little window with a black circle in it. When you press a key – any key – whatever you press gets sent to your serial port.…
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Posted in downloads, labs | Tagged with processing.org, sendkeys, utility
November 14th, 2007

Stripboards (sometimes called veroboards) are typically used for prototyping electronic circuits. They have little holes, evenly spaced at 0.1 inches (yes, even in Europe – electronic components usually have their pins 1/10″ (0.254 mm) apart.
The image shows the soldering side…
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Posted in tools of the trade | Tagged with electronics, stripboard, tools, veroboard
November 13th, 2007

I was in the electronics lab making a prototype and was just saying how I prefer the stripboards with links, where the solder points are connected in groups of three, rather than in strips that run the full length of…
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Posted in tools of the trade | Tagged with diy, tool
November 13th, 2007
Processing is an easy-to-learn programming language that is geared towards visual programs. It’s completely free and even completely open source. It is very easy to make simple things and still powerful enough to do some really interesting things. There are…
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Posted in tools of the trade | Tagged with processing.org, software, tools
November 8th, 2007
So, there I was, coding a little thing in Processing. I was just testing out this thing where the user could drag control points around in a window, and I just needed to make sure she didn’t drag them out…
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Posted in tutorials | Tagged with Java, processing.org, tutorial, unit testing
November 2nd, 2007

A bare piezo element makes a really cheap force sensor .
This example uses two piezo elements, back to back, with an o-ring in between.
Solder wires to the piezo element, one to the center piece and one to the rim (or…
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Posted in tutorials | Tagged with arduino, how-to, physical computing, piezo, sensor, tutorial
October 24th, 2007
As you can see bridell.com is now a blog. Or at least, it’s powered by a WordPress blog.
I have no intention of becoming a famous “blogger” – all this means is that it’s now a little easier for me to…
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Posted in ramblings | Tagged with about, rant