Uploaded December 2023 | Updated September 2026, 2 weeks ago

---

I upgraded a scrapyard controller panel from the 90ies with an esp32s3 audio board to make a synth/sequencer/mod-player and had a lot of fun.

Try coupon code "boardluni" at aisler.net (sponsor)
Sprite_tm panel driver: github.com/Spritetm/mn812_module

0:00 Intro
0:17 Scrapyard find
1:01 Reverse engineering
1:56 Board design
3:28 PCB Assembly
4:33 First test
5:24 Sigma-delta audio
5:55 Audio amplifier
6:52 Sequencer dev
7:52 MOD-Player
8:37 Conclusion

MODs (rather butchered than) played:
Steffen Nicolaisen - Submariners
Rob Hubbard - Zoids
Wouter van Leeuwen - Haste

Links to parts and tools (affiliate links):
Preheating Station ($50): aliexpress.bitluni.net/heatingStation
Tweezer set ($8): aliexpress.bitluni.net/tweezers
Low Temp Solder Paste ($3): aliexpress.bitluni.net/lowTempPaste
SMD Resistor Set ($9): aliexpress.bitluni.net/RSet
Electrolytic Capacitor Set ($14): aliexpress.bitluni.net/elecCaps
SMD Ceramic Capacitor Set ($17): aliexpress.bitluni.net/smdCaps
Colorful Pin Header: aliexpress.bitluni.net/pinHeader
Colorful Pin Socket: aliexpress.bitluni.net/pinSocket

My camera and lens (4k 60fps): amazon.bitluni.net/gh5
Zoom H6 Audio Recorder: amazon.bitluni.net/h6

plz share :-)

Github Sponsors: github.com/sponsors/bitluni
Patreon: patreon.com/bitluni
Channel membership: youtube.com/channel/UCp_5PO66faM4dBFbFFBdPSQ/join
Paypal: paypal.me/bitluni

Twitter: @bitluni
reddit: u/bitluni
Discord: discord.gg/MT5RbJt

#electronics #maker #synth