Hacked Gadgets Forum

December 22, 2013

Open Guitar Pedal

at 8:14 am. Filed under Cool Gadgets

_Open Guitar Pedal


 If you are a guitar player and like tinkering with electronics this Open Guitar Pedal will probably be of interest.

“The shield has three parts:

  • The Input Stage or Preamp: Amplifies the guitar input signal and sends it to the Arduino microcontroller to be processed. 
  • Arduino Board: It does all the Digital Signal Processing (DSP) modifying the signal and adding the effect (delay, echo, distortion, volume…).
  • The Output Stage: Once the waveform is processed, the signal is taken from the Arduino DACs and prepared to be sent to the Guitar Amplifier.
    This part also includes a Summing Amplifier which is very useful for delay effects like echo or chorus.”

 Thanks to Doug for the tip.



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2 Responses to “Open Guitar Pedal”

  1. Tim Says:

    I have a friend that would love this.

  2. Matt Says:

    Is the arduino really fast enough to pull a project like this off? What is your sample rate? I cant imagine arduino to be capable of DSP beyond a simple chop distortion or short delays. Really interested in this project though. can anyone provide me a bit of insight on the sound quality it can produce?

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