Skip to content

rahji.com

ancient stuff

  • About your browser
  • About your server
  • Scientific Notation
  • Perl Programming Course Materials
    • Instructor Roadmap
    • Outline with Timeline
    • My Original Notes
    • Students’ Outline
    • Student Handouts
    • Exercises
    • Extra Exercises
    • Links

USB keyboard volume knob with Quartz Composer

Use the volume knob on your USB keyboard with Quartz Composer compositions via the HID Input patch included with QC.
Continue reading “USB keyboard volume knob with Quartz Composer”

Author rob duartePosted on March 19, 2012February 7, 2017Categories Electronics and Creative CodingTags composition, hid, interaction, interface, keyboard, qc, quartz composer, rotary encoder, usb

Convert a Folder of .WAV files to numbered .MP3 files

A quick bit of bash that you can do from the command line on linux (or MacOS, if you have lame installed)…

Continue reading “Convert a Folder of .WAV files to numbered .MP3 files”

Author rob duartePosted on September 29, 2011February 7, 2017Categories Electronics and Creative CodingTags audio, bash, batch, mp3, script, sound, wav

Daisy Chaining AD5204 Digital Potentiometers

I’m using an Arduino to control two (maybe more – I haven’t tried yet) AD5204 digital potentiometers. Here’s some info about adapting the digital pot Arduino example to work with daisy chaining.

Continue reading “Daisy Chaining AD5204 Digital Potentiometers”

Author rob duartePosted on May 10, 2011February 7, 2017Categories Electronics and Creative CodingTags ad5204, ad5206, arduino, daisy chain, digital pot, electronics, potentiometer

rdqcutils Quartz Composer plugin

During my weekend of procrastination, I created a Quartz Composer plugin. As I need some new patch I will probably add it to this plugin, so it will continue to grow. Continue reading “rdqcutils Quartz Composer plugin”

Author rob duartePosted on October 19, 2010February 7, 2017Categories Electronics and Creative Coding, ProgrammingTags csv, mac, macintosh, objective c, patches, plugin, qc, quartz composer, software, xcode

Mapping a value to a new range

A handy formula that I usually have to look for when I need it – make a value fall into a specific min-max range. This is the math that gives you a new, scaled up or down, value.

Continue reading “Mapping a value to a new range”

Author rob duartePosted on October 11, 2010February 7, 2017Categories Electronics and Creative CodingTags programming math map processing arduino range

20 Challenges

This is a list of twenty arbitrary challenges for people who are learning to create using a tool like Processing, Quartz Composer, or the like.

Continue reading “20 Challenges”

Author rob duartePosted on January 24, 2010February 7, 2017Categories Electronics and Creative Coding, SoundTags authoring, director, flash, iphone, multimedia, osc, oscemote, processing, projects, qc, quartz composer

Using OSCemote with Processing

This is my tutorial for using Processing with the OSCemote iPhone app.

Continue reading “Using OSCemote with Processing”

Author rob duartePosted on January 18, 2010February 7, 2017Categories Electronics and Creative Coding, Sound

escbox

I made a big red button to replace the Escape key. A museum that I’m consulting for needs this for a touch-screen kiosk that runs Crayon Physics.

Continue reading “escbox”

Author rob duartePosted on August 15, 2009February 7, 2017Categories Electronics and Creative CodingTags crayon physics, electronics, escape, escbox, ncm

iPhone and Processing

I made a couple simple demos for the VIS145A students at UCSD to show how we can use an iPhone as the interface to Processing sketches.

Continue reading “iPhone and Processing”

Author rob duartePosted on May 13, 2009February 7, 2017Categories Electronics and Creative Coding, SoundTags accelerometer, art, audio, drawing, iphone, midi, multitouch, osc, oscemote, osculator, processing, programming, sine, sketch, sound, vis145

Creating Visual Rhythm in Processing

I’m teaching Processing to art students at UCSD and the course’s professor has basically asked them to create visual rhythm. I made a few sketches to show a simple way in which this might be accomplished.

Continue reading “Creating Visual Rhythm in Processing”

Author rob duartePosted on April 16, 2009February 7, 2017Categories Electronics and Creative CodingTags animation, processing, programming, rhythm, ucsd, vis145

Posts navigation

Page 1 Page 2 … Page 5 Next page
  • About your browser
  • About your server
  • Scientific Notation
  • Perl Programming Course Materials
    • Instructor Roadmap
    • Outline with Timeline
    • My Original Notes
    • Students’ Outline
    • Student Handouts
    • Exercises
    • Extra Exercises
    • Links
rahji.com Proudly powered by WordPress