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v6 T3 CLOSED: Leo's Update-PCB-from-Schematic - Block N on the board; -04B pin table verified

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PCB (Leo, KiCad GUI 14:44): U18 + U21 + C119-C124 + R105 placed in the GNSS island
(U18 at 76.8, 101.4 r90 - freed MOD1 area, bottom-left). All nets verified on the board:
/3V3_GNSS 9 pads, U18 GND = 56 pads (8 + the 48-pad ground array), MCU side confirmed
(ANT_DETECT U16.9, ANT_SHORT_N U16.10, RTK_STAT U16.11, TIMEPULSE U16.23, RESET_N U16.53).
The sync also deleted MH7/MH9/MH10 - exactly the shield-bolt holes the delta doc retired;
MH4/5/6 (enclosure) and MH11 (heatsink clamp) survive. Footprints 224 -> 230.

Schematic diff vs previous commit: none (243 symbols / 666 labels / 125 no-connects
identical) - KiCad format normalization only.

-04B PIN CHECK CLOSED: the ZED-F9P-04B datasheet (UBX-21044850) pin table matches the
-15B transcription EXACTLY, all 54 pins. Spec refinement: VCC ramp is a WINDOW,
20-8000 us/V (3.3 V in 66 us .. 26.4 ms) - a normal LDO soft-start sits comfortably
inside it. Keep the bench measurement, drop the alarm.

NEXT: T4 LTE island. Needs the vendor part first:
  easyeda2kicad --full --lcsc_id=C18548276 --output <kicad>/Drogheda-v6
Standing: v6 zone fills still stale (GUI refill pending); DRC not meaningful until then.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YJ4eAB6zjQT49RVwpgfKdt
This commit is contained in:
Claude (Cowork) 2026-08-25 14:49:16 +00:00
parent 3494413eaf
commit c81b2202ac
2 changed files with 18249 additions and 15419 deletions
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03-Architecture-Hardware/kicad/hbox-watchdog-v6.kicad_pcb
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03-Architecture-Hardware/kicad/hbox-watchdog-v6.kicad_sch
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