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An RP2040 board shaped to fit a PlayStation memory-card shell, with native USB-C and push-push microSD storage. It targets the open-source PicoMemcard firmware pinout and was designed end-to-end in Fabdesk.
Prototype status: the PCB is fully routed and passes KiCad PCB DRC with zero errors and zero unconnected items. It has not yet been manufactured or bench-tested. Review the design and prototype cautiously before connecting it to a console.
| Function | RP2040 GPIO |
|---|---|
| PS1 DAT | GP5 |
| PS1 CMD | GP6 |
| PS1 SEL | GP7 |
| PS1 CLK | GP8 |
| PS1 ACK | GP9 |
| microSD DAT0/MISO | GP16 |
| microSD CD/DAT3/CS | GP17 |
| microSD CLK | GP18 |
| microSD CMD/MOSI |
| GP19 |
| Status LED | GP25 |
circuit.tsx — authoritative Fabdesk/tscircuit sourceoutline.ts — PS1 memory-card board outline derived from PicoMemcardfabdesk.json — four-layer routing and manufacturing constraintsboard.kicad_pcb, board.kicad_sch, board.kicad_pro — generated KiCad project; the PCB is the final routed boardboard.dsn, board-final.ses — final Specctra routing exchange filesrenders/ — top and bottom board rendersreports/final-drc.json — KiCad 10 DRC resultexports/gerbers/ — Gerbers and Excellon drill outputexports/bom.csv, exports/positions.csv — cleaned BOM and pick-and-place dataexports/fabrication.zip — ready-to-review fabrication bundleOpen this directory as a Fabdesk project and build circuit.tsx. The committed board.kicad_pcb contains the final FreeRouting route and GND fills. Regenerating KiCad from circuit.json will recreate an unrouted board, so keep or branch the committed PCB before converting again.
Manufacturing constraints used for the final board:
| Constraint | Value |
|---|---|
| Copper layers | 4 |
| Board thickness | 1.6 mm |
| Minimum trace width | 0.10 mm |
| Minimum clearance | 0.10 mm |
| Via diameter / drill | 0.45 / 0.20 mm |
| Minimum copper-to-edge | 0.20 mm |
The final PCB reports 465 routed track segments, 43 vias, zero DRC errors, and zero unconnected items. The remaining DRC notices are cosmetic generated-footprint silkscreen/text warnings. Fabdesk's current circuit-json-to-KiCad converter emits incorrect metadata for some custom schematic symbols, so KiCad ERC output is not used as the release gate; circuit.tsx, the PCB netlist, and PCB DRC are authoritative.
exports/fabrication.zip is a reviewable starting package, not a substitute for your fabricator's upload preview and rule check.The mechanical outline and console-contact placement are derived from dangiu/PicoMemcard, licensed under GPL-3.0. The RP2040 support circuit follows Raspberry Pi's Hardware design with RP2040.
This repository is licensed under the GNU General Public License v3.0. See LICENSE.
PlayStation is a trademark of Sony Interactive Entertainment. This is an independent open-hardware project and is not affiliated with or endorsed by Sony.
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