Build Professional Guitar Effects

Complete open-source hardware framework for DIY pedal builders

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The YGN Framework

A complete hardware ecosystem for building guitar effects pedals

Modular PCBs

Standardized IO and Effect boards that separate power management from your audio circuit.

Precision Enclosures

Two-piece aluminum chassis designs with CNC-ready files for a perfect fit every time.

Smart Control

Relay-based true bypass switching and intelligent power management powered by AVR.

The framework explained

Reference Designs

Proven effect circuits built on the YGN Framework

Boost

Shining Pig

A civilized 18V Powerboost with Master Volume and refined gain taper.
Distortion

Sexy Rodent

A hot-rodded Rat with LED/Si/Ge clipping and wide-range Sweep control.
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Latest Documentation

Step-by-step guides for building with the YGN Framework

Firmware Jul 2026

FV-1 Programmer Flashing and Setup

Flashing the ATmega328PB firmware and configuring the FT230X on the FV-1 EEPROM programmer.

firmware programming fv1
Software Jul 2026

SpinASM for VS Code

A cross-platform guide to writing, assembling and programming FV-1 SpinASM projects in VS Code.

firmware programming fv1
Firmware Jul 2026

Arduino Pro Mini FV-1 Programmer Setup

Set up an Arduino Pro Mini 3.3 V as an FV-1 EEPROM programmer for SpinASM in VS Code.

firmware programming fv1
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Fully Open Source

All schematics, PCB layouts, firmware source code, and CAD files are available on GitHub under permissive licenses.

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Hardware: CC0 Software: CC0 Docs: Apache 2.0