Tag Archives: pedal

Raspberry Pi multi-effects : Overview of the setup

This post aims at providing an overview of the hardware I’m using to turn my Raspberry Pi into a real-time effects processor for my electric guitar. The Raspberry Pi The RPi is obviously the star of this setup ! The … Continue reading

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Step-vibrato effect for guitar with Pure Data

Here’s a wonderful effect that can be used with a guitar (listen to the sample at the bottom) or just any instrument. I don’t think it can be done with any existing stompbox, analog or digital (please correct me if … Continue reading

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Wha-wha (auto) with Pure Data

Pure Data comes with a set of filters useful in many different contexts. One of these filters is the [vcf~], a voltage-controlled band-pass filter. Its center frequency can be set by an audio signal, which means that it can be … Continue reading

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Installing the Arduino IDE

A Arduino board has to be programmed depending on the way you want to use it. It will do nothing at all if you don’t upload any program in it. Even though the board is not “active” when used as … Continue reading

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Tremolo effect with Pure Data

In this post i’ll show you how to create a patch that works like a tremolo pedal for guitar. The basic principle is quite simple. You get the sound from your guitar through the soundcard and the [adc~] object, and … Continue reading

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Using [hid] to read data from a USB gamepad

(in progress)

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Arduino-based pedal ([pduino])

As I mentioned in a previous post, I first built a pedal to control my Pd patch to create live effects for my guitar by using a hacked gamepad. After using it for over a year, I started being dissatisfied … Continue reading

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Gamepad-based pedal ([hid])

As I explained in an earlier post about the concept behind the footcontroller, Hans Christoph Steiner wrote an external for Pure Data which can read data from a lot of USB devices, and more specifically from USB gamepads and joysticks.This … Continue reading

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The idea of using a device controlled by the foot to trigger effects for an electric guitar is obviously nothing new. Guitarists have been using analog stompboxes since the early 60’s at least, and digital midi controllers for quite a … Continue reading

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