CydandClaude Fable 5 9a1c8478bf Add PlasmaNew: plasma display reverse-engineering reference ...

Historical reference for recreating the cockpit plasma display in hardware.
The original Babcock plasma panels are failing; the end goal is a drop-in
replica — a modern microcontroller driving a 128x32 LED array that reads the
same RS-232 serial bus and speaks the same command protocol as the original
PD01D221. vPLASMA (the C# app) is the executable spec and test oracle for
that firmware.

Contents:
- PD01D221.pdf — Babcock datasheet (doc 9200-0109 Rev A)
- Board photos: controller overview, Cherry silkscreen, EPROM/SRAM, JP1
- README.md — full investigation: hardware ID (stock Babcock PD01D221,
  Cherry PCB 4317-C), chip inventory, recovered ESC command protocol, the
  JP1 config-jumper map (MODA/MODB hardwired to expanded mode), and the
  firmware-dump plan.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

2026-07-07 20:50:35 -05:00

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