Hoopi Deck: a four-input audio interface with a Raspberry Pi inside
A 4-in/2-out audio interface with mic preamps and an RP2354 was designed with Claude Code in nine days, with Claude generating schematics and catching board errors.
Credits
Earliest dated source:
The full story
Hoopi Deck is a 4-in/2-out audio interface with a Raspberry Pi inside, designed with Claude Code in nine days. It has four combo inputs with mic preamps and 48 V phantom power, balanced line outs, headphones, USB-C power, and an RP2354 that streams audio to the Pi or to a computer over USB. The enclosure is six PCB panels clamped by standoffs.
Claude generated the schematics from Python, ran datasheet reviews that caught a backwards MOSFET and two wrong footprints before layout, and built an interactive 3D model of the board and box. At the time of posting the boards had not yet arrived, and noise measurements against other interfaces were still to come.
How it was done
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Sources
From a short post by the maker, so the details are as they tell them.
- Reddit: Hoopi Deck: a 4-in/2-out audio interface with a Raspberry Pi inside, designed with Claude Code in 9 Reddit poster: kidproquoPosted
The maker's comment on r/ClaudeAI.
If it disappears: archived copy of Reddit: Hoopi Deck: a 4-in/2-out audio interface with a Raspberry Pi inside, designed with Claude Code in 9 (opens in a new tab)
- The project: hoopi-deck-3d.pages.dev
The interactive 3D model of the board and enclosure.