MATRIXSYNTH: DIY Synthesizer for the Solder-Shy: XVA1 FPGA Build


Sunday, October 05, 2025

DIY Synthesizer for the Solder-Shy: XVA1 FPGA Build


video upload by Floyd Steinberg

"🔧 Build a #DIY #FPGA #Synthesizer—No Soldering Needed! Discover how to assemble the XVA1 (aka XFM2) synthesizer—powered by the Artix A7 35T FPGA—entirely on a breadboard. This beginner-friendly, no-solder build is perfect for synth enthusiasts, makers, and curious DIYers.

🎶 Developed by René Ceballos @reneceballos5211 of https://www.futur3soundz.com/ , the XVA1 delivers rich, polyphonic sound and flexible patch editing. In this step-by-step guide, you'll learn how to build, wire, and test the synth—plus hear it in action.

📋 Chapters & Timecodes
00:00 – Sound demo preview
00:13 – What is the XVA1/XFM2?
01:56 – What you’ll need (parts list)
05:47 – Placing components on the breadboard
09:19 – Wiring (Part 1)
15:08 – What is an FPGA?
16:53 – Wiring (Part 2)
21:50 – Installing the firmware
22:22 – First test run
23:57 – Troubleshooting tips
25:20 – Patch editor & bundled software
26:03 – Sound demo 1
27:16 – Sound demo 2
28:25 – Final thoughts: Was this a good idea?

📌 Keywords for search: DIY FPGA synthesizer, XVA1 synth build, XFM2 breadboard synth, Artix A7 35T, no solder synth, FPGA music hardware, beginner synth project, electronic music DIY

Relevant links [remaining active links on YouTube]:
Project homepage: https://www.futur3soundz.com/xva1-syn...
Artix A7 35T (Europe) https://www.trenz-electronic.de/de/Cm... (US) https://www.amazon.com/-/de/dp/B072C5...
Diligent Adept 2 software https://digilent.com/reference/refere...
1334A DAC: https://www.aliexpress.com/item/10050...
Resistors 220R and 470R: https://de.aliexpress.com/item/100500...
Optocoupler 4N36 https://www.aliexpress.com/item/32870...
24LC1025 EEPROM Chip https://www.aliexpress.com/item/10050...
1N4148 Diode https://www.aliexpress.com/item/10050...
MIDI connector https://www.aliexpress.com/item/10050...
Breadboard and Jumper Wires https://de.aliexpress.com/item/100501...
Prototyping board (for soldering) https://www.aliexpress.com/item/32924...

FPGA on Wikipedia: https://en.wikipedia.org/wiki/Field-p...
FPGA programming explained: • What is an FPGA (Field Programmable Gate A...

As usual on Aliexpress, make sure the right options are selected!

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