Disassembled the SV1.3 app image and confirmed the shift-register
(HSPI 13/14 + latch 15), WS2812 (12), LDR (A0) and button pins, the
16-bit bit map and the tube order. The stock firmware has no I2C code
and drives a DFPlayer on UART0. Adds the ELF/xref helper tools.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Core/SDK version, flash layout, settings files and the hidden /d
hardware page whose Debug mode enables web OTA at /u.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Notes on the RetroModding IN-12 v2 clock (pinout, programming header,
plan for ESP_UniClock) and the maker's v2 schematic.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>