Arduino DUE Programmable Guitar Pedal

Soldering iron (generic)

Arduino IDE

Arduino Due

<h3 >Introduction</h3><p ><a href="http://www.electrosmash.com/pedalshield">PedalSHIELD DUE</a><span > is a programmable Arduino Open Source and Open Hardware guitar pedal made for guitarists, hackers and programmers. Users can program their own effects in C/C++ or download ready effects from the </span><a href="http://www.electrosmash.com/forum/software-pedalshield">online library.</a></p><div class="se-component se-video-container __se__float-none" contenteditable="false" style="width: 100%;"><figure style="width: 100%; height: 56.25%; padding-bottom: 56.25%; margin: 0px;"><iframe frameborder="0" allowfullscreen="" src="https://www.youtube.com/embed/COPaqJBekBQ" data-proportion="true" data-percentage="100%,56.25%" data-size="100%,56.25%" data-align="none" style="width: 100%; height: 100%;" data-index="0" data-file-size="0" data-origin="100%,56.25%"></iframe></figure></div><p >It is designed to be a platform to learn about digital signal processing, effects, synthesizers and experiment without deep knowledge in electronics or programming.</p><figure><img src=https://projects.arduinocontent.cc/8a27e979-6cc5-4480-948d-2e00f776a6e6.jpg /><figcaption> </figcaption></figure><h3 >The shield has three parts:</h3><ul ><li ><strong >The Input Stage or Preamp:</strong><span > Amplifies the guitar input signal and sends it to the Arduino microcontroller to be processed. </span></li></ul><ul ><li ><strong >Arduino Board:</strong><span > It does all the Digital Signal Processing (DSP) modifying the signal and adding the effect (delay, echo, distortion, volume).</span></li></ul><ul ><li ><strong >The Output Stage: </strong><span >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.</span></li></ul><figure><img src=https://projects.arduinocontent.cc/71c89bec-316f-4c47-8cac-024d3891a06e.jpg /><figcaption> </figcaption></figure><p >The shield is programmed in C/C++ using the standard free Arduino platform (Linux/Windows/Mac).  All tools and programs are open source and compatible with Arduino libraries. </p><figure><img src=https://projects.arduinocontent.cc/e0971e77-b8fa-41e1-a5d3-d85b63f5ac30.jpg /><figcaption> </figcaption></figure><p ></p>

Arduino DUE Programmable Guitar Pedal

Lets make a programmable guitar pedal, using all the power from the Arduino DUE board with 12 bits ADCs, DACs and RAM memory.