Transform Your Guitar Sound with Arduino Due Pitch Shifter Kit
Transform Your Guitar Sound with the Arduino Due Pitch Shifter Pedal Kit
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine stepping onto a stompbox that shifts your guitar pitch up or down a full octave, cleanly and in real time, without digital artifacts. This kit puts you inside the mathematics of FFT resynthesis on an ARM Cortex-M3 processor, in a rugged pedal enclosure built by your own hands. You'll move from wiring to a working audio effect that graduate engineers would be proud to feature in a signal processing portfolio.
What You'll Build
A fully functional guitar effect pedal that captures your instrument signal with a MAX9814 microphone preamp, processes it with 1024-point FFT on the Arduino Due, shifts the spectral data by one octave, and reproduces the transformed sound through a PAM8403 amplifier and 3W speaker-all housed in a stomp-ready enclosure with a blend potentiometer for dry/wet mix. The result is a performance-grade pedal you can use on stage or in the studio.
What You'll Learn
- Real-time spectral signal processing using FFT and IFFT algorithms on ARM microcontrollers
- Interfacing high-speed DAC (MCP4725) with Arduino Due for low-latency audio output
- Designing a complete guitar pedal audio chain: preamp, ADC, DSP, DAC, amplification
- Enclosure assembly and soldering for a professional-grade effects pedal that stands up to gig use
Kit Contents
| Component | Quantity |
|---|---|
| Arduino Due | x1 |
| MAX9814 Mic | x1 |
| MCP4725 DAC | x1 |
| PAM8403 Amp | x1 |
| 3W 8? Speaker | x1 |
| 10k? Potentiometer | x1 |
| 100nF Caps | x15 |
| PCB Prototype Board | x2 |
| Enclosure Box | x1 |
| 9V 1A PSU | x1 |
| Soldering Iron | x1 |
| Solder Wire | x1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
Designed for advanced electronics enthusiasts and engineering students-ideal for B.Tech ECE/EEE final-year projects, Smart India Hackathon audio challenges, and IIT/NIT/VIT music technology labs. If you've mastered Arduino basics and crave real-time DSP, this kit bridges theory and a stage-ready device that proves your skills in embedded audio processing.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code on the box to access your AI build companion, which knows every component and step. For additional help, WhatsApp our team for a one-on-one debug session.
Can I use this pedal with a guitar amplifier instead of the built-in speaker?
Yes, the kit's PAM8403 output can drive a small speaker, but the MCP4725 line-level signal can be routed to a guitar amp with a simple modification we document.
Does this kit require prior DSP knowledge?
Familiarity with Fourier transforms helps, but our AI companion explains the FFT resynthesis logic step by step. You'll learn by building.
Can I modify the code for other pitch intervals?
Absolutely. The firmware is open-source, and the AI companion can guide you to adjust the shift ratio for harmonizer effects or microtonal bends.
Arduino Due shifts audio pitch up or down one octave via real-time FFT resynthesis. Guitar pedal format.
What's in this kit
Choose your assembly option:
- Soldering Kit - 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items