mangavalkandClaude Opus 5.5 3fcd15ad86 Add photos and datasheet; correct wiring and protocol docs ...

The 20L203 input is RS-232 (reference build uses a MAX3232), it runs on
5-24 V, and it boots in non-scrolling overwrite mode.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-31 17:44:07 +01:00

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