PCB Routing Assistance
Worked for 2 mins 7 sec
Applied thermal relief to the targeted GND/DGND/VSS pads on the board: Relief connect, 4 spokes, 0.25 mm spoke width, 45° spoke angle. The follow-up check shows airwire errors on GND-related pads/fill stitching, so the pour may need repour/reroute cleanup next; I did not change placement or routing.
Hey, there are a lot of nets that have "GND" in their name, can you connect anything with "GND" in its net name to the main GND connection?
Thought for 20 sec
I’ll find every net whose name contains “GND”, merge those into the main GND net in the schematic, then run ERC/DRC connectivity checks to catch any remaining split grounds.
Worked for 1 min 44 sec
I checked the schematic netlist and there are no separate “GND” nets to merge: everything ground-related is already on the main ^GND net, including DGND-labeled pins. The remaining GND/DGND items are PCB airwires to ground pads/fill/stitch vias, so the next fix would be repouring/rerouting GND copper rather than changing schematic connectivity.
Repair GND routing
Run route evidence
Check manufacturing readiness
Inspect thermal reliefs
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PCBA Routing Blocker and Placement Cleanup Notes
Status
The production ESP32-S3 PCBA redesign has been cleaned up for manufacturable placement, but it is not ready for JLCPCB PCBA export because PCB copper routing is incomplete.
Work Completed
- Preserved the 120 mm × 100 mm, 4-layer board setup.
- Preserved connector grouping:
- Power/USB/communications on the left edge.
- PT1000 / field sensor terminals on the right edge.
- Condensation connectors along the bottom edge.
- Preserved mounting holes and field-service layout intent.
- Improved placement around the ESP32-S3 support circuitry for better pad access and future routing.
- Kept the ESP32-S3 antenna/keepout intent intact.
- Confirmed routing feasibility check passes: the board is considered valid and ready for routing.
Current Blocker
The PCB still contains unresolved airwires. These represent logical schematic connections that do not yet have copper traces on the PCB. JLCPCB PCBA files should not be generated from this state because the manufactured board may not electrically function.
Why Exports Were Not Generated
Per the manufacturing release gate, Gerber/BOM/CPL/assembly outputs should only be generated after critical DRC checks are clean, especially:
- No airwires.
- No missing footprints.
- No invalid layers.
- No overlapping copper between different nets.
At this checkpoint, airwires remain, so production export is intentionally blocked.
Recommended Resolution
- Cancel or clear the stuck Flux autoroute job if possible, then run routing.
- If autoroute remains blocked, route the board manually in a PCB editor using this order:
- USB-C D+/D− and VBUS.
- ESP32-S3 power, EN, BOOT, USB, UART/programming.
- 3V3/5V power distribution and ground plane stitching.
- microSD SPI and RTC/SEN66/LiDAR I2C.
- MAX31865 SPI/chip-select and PT1000 analog front-end connections.
- Condensation sensor ADC inputs with pull-ups/filters/ESD.
- LTE header UART/reset/PWRKEY/power.
- LEDs, buzzer, relay/alarm outputs.
- Rerun DRC/ERC after routing.
- Generate JLCPCB Gerber, BOM, CPL/pick-and-place, assembly drawings/PDF, STEP/GLB only after checks are clean.
Manufacturing Risk if Exported Now
High. The PCB would likely be missing electrical connections because routed copper is incomplete.
Status
Work Completed
Current Blocker
Why Exports Were Not Generated
Recommended Resolution
Manufacturing Risk if Exported Now
