Build instructions for your v2 DIY kit

Gecho v2 Complete Unit DIY guide is here, guide for Acrylic sandwich is here and for the Front Panel-only version is here.

Please note the materials below are concerning v1 Gecho (made in 2018 and earlier).

DIY / Programming / Extending / Hacking of the Music Box

If you need to re-visit the old version of the shop (e.g. for v1 Master DIY kit BOM), the complete archived copy is here.

Firmware Expansion Examples

• Granular Sampler - Cascading your voice in real time
• Basic Drum Sequencer - The missing channel #234
• Acoustic Location - Detecting direction of incoming sound
• Implementing a new channel - Rudimentary Drum Machine
• Changing sample pitch in real time - Xmas Song
• Generating Chord Progressions *COMPLETELY* from random signal
• Uploading arbitrary data to STM32F4 Flash Memory using ST-Link V2 (via SWD connector)
• Uploading data using STM32 Flash Loader Utility (via USB connector)

Putting together your DIY kit

• Board Assembly Guide
• Box Mounting Guide
• Rechargeable Powering Scheme
• Adding the MIDI extension