Marine GPS PCB Design

flux

Yes — I can continue, but the problem is that the last run only partially executed.
What happened:
  • Some edits were applied:
    • added the mezzanine connectors FPC1 and FPC2
    • added the external LED connector J4
    • removed the display DS1
  • But the refactor did not finish:
    • the single-board wiring was not fully separated into RF-board vs main-board domains
    • ERC cleanup did not complete
    • several nets still need to be reassigned through the mezzanine
    • some floating/incomplete pins likely remain
Why it stopped:
  • This is a multi-step project modification task, so it has to run through the plan/execution flow rather than as a single direct edit. That workflow is specifically intended for adding/removing parts, rewiring, and staged project changes .
  • In other words: the project is in a partially refactored intermediate state, not a finished broken state.
So yes, I can continue — but the correct next step is:
  • click Start on the current plan bar again so the execution can resume/redo the schematic refactor cleanly
Current likely partial state

Table

AreaStatus
RF/Main splitStarted, not complete
Mezzanine interfaceStarted via FPC1 and FPC2
External LED changeStarted via J4
Display pathDS1 was removed
ERC cleanupNot complete
Final schematic validationNot complete
If you want, after you hit Start, I’ll continue with this exact priority:
  1. finish the RF/main partition
  2. define all 40 mezzanine pins
  3. rewire U1, U2, U3, U5, U6, U7, and U4
  4. clear floating pins/ERC issues
  5. stop before layout, as requested
If you want, I can also help you sanity-check the partially changed schematic before you restart.
Sanity-check partial schematic
Fix floating pins
Define 40 mezzanine pins
Review remaining nets
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Marine GPS Timing Communicator Stacked

Marine GPS Timing Communicator Stacked thumbnail
4-layer marine GPS timing and communication device using nRF52840, u-blox ZED-F9P GNSS with external active antenna via u.FL, 915 MHz LoRa radio, Li-ion battery with USB-C charging, separate clean GNSS LDO and digital 3.3V rail, SPI memory LCD, RGB LEDs, buzzer, and 6-axis IMU. PCB target is a 70 mm circular layout with strict RF zoning, dedicated ground plane, 50 ohm RF traces, physical separation between GNSS and LoRa, and low-noise placement suitable for harsh marine environments.

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