Writing & ideas
Notes on AI, engineering practice, learning systems, and the ideas I keep returning to.
Read the notesHello, I’m Yi.
Engineer by training,
curious builder by nature.
Battery systems · AI · thoughtful tools · life notes
ExploreA few paths
Through my world
A quieter way to meet the engineer, the maker, and the person behind the work.
Things I build
Thoughtful tools for battery teams, plus personal experiments made out of curiosity.
See selected workA little about me
From battery research to motorsport systems, with a growing love for making useful things.
Meet YiFrom my journal
Thoughts, notes, and things I’m learning along the way.
From vocation to calling: what makes work feel meaningful?
A personal reflection on craft, ambition, modern work, and the
clues that point us towards a life that feels like our own.
Building a Claude Skill for automated battery data
extraction
Turning inconsistent supplier PDFs into structured, useful
engineering data.
I failed at the second brain for three years
What finally changed when AI became part of the thinking
process.
Stop building AI skyscrapers on a data swamp
Why useful intelligence still begins with clean
foundations.
Selected work
Useful things, thoughtfully made
Different interests, held in the same orbit by curiosity. Follow a project to see the idea behind it without scrolling through a wall of cards.
Finished
In progress
Idea
Personal + AI tools
Battery systems
Rigorous thinking,
in a more human way.
If you’re thinking about batteries, useful AI, thoughtful tools, or a project with an unusual shape, I’d love to hear from you.
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