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Drogheda/03-Architecture-Hardware/kicad/Drogheda-sym.kicad_sym
Leopoldo Rodríguez 2c3dffa232 2026-07-02: PROD schematic complete (ERC 0) + carrier-board PCB + doc sweep to the Jul-2 ledger 
Electrical/PCB:
- LTC4040 Block B sized to the 12 Ah 1S4P pack (RPROG 825R -> 2.42 A ~ C/5,
  RS 8 mR -> 3.1 A input limit, PFI 4.60 V, backup 4.79 V, charge 4.00 V Li-ion
  via VSYS-referenced straps) + Block E cutoff (P11) + Block F PA4->VEH5V re-tap
  + Block H fail-safe Modo-B bypass (K1 normally-closed relay) + Block I NTC->PB1.
- CARRIER-BOARD conversion: simpleRTK2B Pro on UNO-pattern female headers (MOD1;
  D0/D1=UART1, D2=RX2, D8=TX2, IOREF=3V3, 5V=SW_5V) + 4G NTRIP Master on on-board
  XBee socket (J7/J8; VCC=3V3_MODEM via new Block K MP1584 buck off SW_5V - the
  HP XBee socket is 3.3 V not 5 V). Board 120x100, placement + GND pour + DRC
  baselines. Custom symbols: LTC4040EUFD, AO4406A, SimpleRTK2B_Pro_Socket.
- Fixed duplicated U2, stale no-connects, A4->A3 sheet; ERC 0 errors.

Docs:
- Canonical electrical-design-state + production delta (Block B values table,
  5b/5c/5d/5e) + design/rationale/connections/BOM swept to the Jul-2 assumptions
  ledger (Conexiones-por-Bloque xlsx).
- Guia de Conexion Protoboard: LaTeX source now maintained in-repo -> v2.1 PDF.
- CircuiTikZ sheet + wiring Beamer: block 11 (NTC->PB1) + guinda ignition legend.
- Client decks: Avance v1.1 (overclaims fixed) + RCA v1.1 (2-jul addendum).

Repo hygiene:
- .gitignore: live rtk-config (SIM/APN/NTRIP creds) now ignored and REMOVED from
  tracking (NOTE: rotate those credentials - they exist in prior commits);
  KiCad .bak/snapshots/.history, LaTeX intermediates, Office locks ignored+purged.
- Removed rogue .history gitlinks that broke git status.
2026-07-02 22:18:56 -06:00

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(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 2.54 180)
(length 2.54)
(name "GND"
(effects (font (size 1.27 1.27)))
)
(number "29"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 0 180)
(length 2.54)
(name "A0"
(effects (font (size 1.27 1.27)))
)
(number "9"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -2.54 180)
(length 2.54)
(name "A1"
(effects (font (size 1.27 1.27)))
)
(number "10"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -5.08 180)
(length 2.54)
(name "A2"
(effects (font (size 1.27 1.27)))
)
(number "11"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -7.62 180)
(length 2.54)
(name "A3"
(effects (font (size 1.27 1.27)))
)
(number "12"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -10.16 180)
(length 2.54)
(name "A4"
(effects (font (size 1.27 1.27)))
)
(number "13"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -12.7 180)
(length 2.54)
(name "A5"
(effects (font (size 1.27 1.27)))
)
(number "14"
(effects (font (size 1.27 1.27)))
)
)
(pin passive line
(at 15.24 -17.78 180)
(length 2.54)
(name "NC"
(effects (font (size 1.27 1.27)))
)
(number "1"
(effects (font (size 1.27 1.27)))
)
)
)
)
)
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