I'm Mayphus. I investigate, build, and learn.

I trace faults, test robots, build input tools, and draw patterns. These are a few results from that work.

Board sketch
NanoPi R2S
Boot verified
A faulty serial path and wrong image hid a healthy board. Alpine boot verified.
Arm sketch
SO-101 arm
Simulation + hardware checks
Pick-and-place in MuJoCo; physical arms calibrated after a motor repair.
Layout sketch
Input Foundry
Live tool
Try layouts and export Rime or Yuanshu input-method packages.
SVG study 08
Gulangyu tiles
Geometric studies
Twelve approximate SVG reconstructions from a Gulangyu staircase photograph.

More work

OpenLens
Tested Android experiment
A portable core and offline camera test expose model-label failures while keeping confidence and limits visible.
TinyStories on RP2040
Local inference on hardware
A trained, quantized language model generates short stories on my custom Pico display board.
GPT-124M from scratch
Demo + tested restart recovery
A billion-token training run with full-state checkpoints, fresh-session recovery and a public completion demo.
GoSure camera preview
Recorded Android experiment
Three failed playback paths led to a local Android preview; the record preserves the evidence and its limits.
Chinese Books
Live catalogue + vertical reader
Search titles, browse five subject categories and read source-attributed texts in vertical Chinese pages.
Understanding computer systems
Guide + bounded exercises
A connected Linux, FreeBSD, storage and boot learning path with environment labels and explicit testing limits.