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Added 0x5305 for RP2350 USB GPIB adapter and changed url for 0x5304 - #1297

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cnlohr merged 1 commit into
pidcodes:masterfrom
richardklingler:master
Oct 3, 2026
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cnlohr merged 1 commit into
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richardklingler:master

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@richardklingler

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Developed an USB GPIB adapter for older instruments still in use.
Firmware tested and verified with an old Yokogawa DL1540C scope.
Schematic and PCB is work in progress.
Older 0x5304 USB thermocoupler got a firmware update to conform to SCPI communication for instruments.

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Please include an example embodiment in your source repo, i.e. pictures + wiring diagram or schematic (in PDF form) -- or if there are source files for the hardware i.e. kicad, please include them.

Please @ me when you have added this so I can re-review this.

@richardklingler

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Added picture of test setup, PCB 3D view, PNG schematic and JPEG test setup in README.md.
Renamed RP488 folder to Hardware which contains the KiCAD design including RP488.pdf as schematic.

As mentioned in the README.md the PCB design is a work in progress, but firmware was successfully tested with the RP2350 Pico 2 W development board against my old Yokogawa DL15040C 4-channel scope (o;

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Software under MIT, hardware under CERN-OHL-S-2.0, Software mostly C, for RP2350. Pictures/schematics/explanations all included.

@cnlohr
cnlohr merged commit d019e85 into pidcodes:master Oct 3, 2026
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2 participants