Category Archives: News

Digital POV clock working! mostly

Well, without too much pain, its just about working!Here is how I went about it, which might help you if you want to make one yourself…When you pick a drive to use, make sure it has four conductors going to the motor (“Y configuration”) rather than t… Continue reading

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POV Digital Clock on 2.5" HDD Platter

Just starting this project, which again uses a 2.5″ laptop drive.Last year I made a POV “slot” clock on a HDD platter, inspired by other peoples projects I saw online. Around the same time saw an excellent project on YouTube where someone had made a di… Continue reading

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POV Fun With 2.5" Hard Disk Drives

I picked up a few faulty laptop drives cheap on ebay to take to bits and use for POV projects. I haven’t finished them yet, but have been tinkering over time and will post my progress as I go.For the first one I wanted to put a row of SMD LEDs on the p… Continue reading

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SuperCollider & PD: Simple Additive Synthesis

By adding together sinusoids we can begin to create interesting synthethic timbres. Well, more interesting than plain sine waves. I’ve included examples of how to do this in PD and SuperCollider. I attempted to do this in both languages to get a … Continue reading

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5 Pieces Of Interesting Computer Music

Lejaren Hiller – Illiac Suite for String Quartet

John Chowning – Stria

Laurie Spiegel – Old Wave

Buraka Som Sistema – Sound of Kuduro

Sjöman, Raquel Meyers & Goto80 – 2SLEEP1

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SuperCollider: 00

Initial Thoughts

There are so many music programming DSLs out there that it’s incredibly difficult to choose which will best suit your purpose. My initial explorations centred around Pure Data (PD). Somewhat arse-from-elbow, this was the first p… Continue reading

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Simple Bipolar Stepper Motor Drivers

Today I’ve been making some stepper motor drivers for a mini PCB mill that I want to make some time in the future. It would of cause be much easier to go out and buy some off-the-shelf drivers – but no where near as fun.So these are the spec’s I decide… Continue reading

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Midi-izing the Reissue Stylophone

A while back I did a “midi conversion” of a couple of Stylophones (The original analog model). I did this by removing the Stylophone electronics and leaving just the stylus, keyboard and resistor ladder. Using the keyboard as a voltage divider its then… Continue reading

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Ruby Matrix Addition

Short and sweet matrix addition lambda in Ruby (1.9+).

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#!/usr/bin/env ruby

matrix_addition = ->(m1, m2) do
m1.flat_map{|m|m}.zip(m2.flat_map{|m|m}).map{|v|v.inject(:+)}.each_slice(m1[0].length).map{|r|r}
end

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Ruby Euclidean Distance

Short and sweet euclidean distance lambda in Ruby (1.9+).

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#!/usr/bin/env ruby

euclidean_distance = ->(p1, p2) do
Math.sqrt(p1.zip(p2).map {|coord| (coord[1]-coord[0])**2}.inject {|s,n| s+n})
end

EDIT: @mccraigmccraig made an even ni… Continue reading

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