Photo credit: Windell H. Oskay, www.evilmadscientist.com bridell.com
on creative engineering and new media art

A beating heart

December 19th, 2007

Gryphons

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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Je ne spam pas

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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How to tunnel your SMTP outgoing mail over SSH

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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How to start a Java application with web start

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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How to get started using mobile processing

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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How to set up a Java JDK

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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How to run java MIDP applications on a Palm handheld

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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Monochromeye

November 29th, 2007

Monochromeye

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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MIEL

November 29th, 2007

MIEL overview

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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Hellhunt

November 29th, 2007

Hellhunt

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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The Responsive Field

November 29th, 2007

The Responsive Field

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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How to get Puredata to start with audio enabled

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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Switching and reversing arduino relay shield

November 14th, 2007

Switching and reversing arduino relay shield (photo)

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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sendkeys – a handy Processing app

November 14th, 2007

sendkeys (screenshot)

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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Stripboard

November 14th, 2007

stripboard

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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Yoshi’s DIY stripboard cutter

November 13th, 2007

Yoshi’s stripboard tool

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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Processing

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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How to use min() and max() – and a DIY unit test

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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How to use a piezo element as an arduino sensor

November 2nd, 2007

Piezo sensor

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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Not a blog blog

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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