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Homebrew on a 2001 P/ECE: Windows 11 WinUSB and a from-source LLVM toolchain

Dug a 2001 Aquaplus P/ECE out of a closet and got my own C game running on it: WinUSB/Zadig for the dead driver, a from-source S1C33 LLVM toolchain, and a 15GB-RAM OOM.

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Tech

Claude Code 'court' bug: tool calls leak as text instead of running (Opus 4.8)

Claude Code sometimes emits a stray court token and raw <invoke> as plain text instead of running Read/Edit/Bash — a malformed tool call that never executes. How to tell it from a hung shell or a 'could not be parsed' error, on long Opus 4.8 sessions.

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TechJul 3, 202610 min

Beambox Niji Badge over BLE without the app: fixing the black-screen JPEG bug

Controlled a Beambox Niji Badge over BLE from Windows without the official app. Sending a raw JPEG just produced a black screen — the fix was a custom binary container and a different command type than expected.

Bluetooth BLE Hardware Python Experiment

TechJul 3, 20266 min

M5Stack CoreS3 CO2 monitor with the CO2L Unit (SCD41): setup, drift vs a SwitchBot meter, and forced recalibration

Wired M5Stack's CO2L Unit (SCD41) to a CoreS3 over Grove and put CO2/temp/humidity on screen. The factory-fresh sensor read +30% high against a SwitchBot NDIR meter, so I ran FRC over a serial command to pull it in line.

M5Stack ESP32 Microcontroller Electronics Hardware Experiment

TechJul 3, 20266 min

M5Stack CoreS3 microSD not recognized: card compatibility tested, SPI clock limits, and a soft-reset gotcha

A brand-new CoreS3 failed with 'SD Card initialization failed!' on the stock firmware. Tested two LAZOS cards: the 16GB never mounts at any SPI clock, the 32GB mounts but only writes at 10MHz, and a soft reset wedges the card until power-off.

M5Stack ESP32 Microcontroller Electronics Hardware Experiment

Experimental

TechJul 2, 202610 min

Qwen Max vs Claude vs Codex writing Anima prompts, tested with a 3-character LoRA: 60 images, no same-family advantage

Three LLMs converted the same 10 Japanese scene briefs into Anima (Qwen-DiT) prompts, generated as 60 fixed-seed images on an M1 Max with a merged 3-character LoRA. The Qwen-to-Qwen affinity hypothesis did not survive; a strict formatter brief with character-count locks is what actually moved the results, and two failure modes survive any prompt.

Qwen Anima Claude Codex LLM AI 画像生成 ComfyUI 実験マルチキャラ

TechJul 1, 20269 min

Qwen + Kuramoto oscillators: a training-free, abstract image generator (M1 Max)

Tested on an M1 Max, NumPy only: Qwen maps a prompt to a JSON of knobs, and a 2D Kuramoto oscillator field renders it. No objects, but composition, color, and motion change with the prompt.

AI Image Generation Experiment Qwen Python

TechJul 1, 20267 min

Astro 6→7 on a 1,558-post blog: keeping remark/rehype and a middleware gotcha

Tested Astro 6→7 on a 1,558-post blog: keeping remark/rehype past Sätteri with @astrojs/markdown-remark, the @astrojs/vercel v11 bump, and a middleware TS1543/esbuild import-attribute trap.

Astro Framework Migration Vercel Experiment