Useful machines, awkward edges
Small computers, physical controls, displays, power, and the failures that only appear after software meets a room.
Engineer · Builder · Writer
I like systems that get quieter when they work.
I’m Tian Zheng. I write field notes about building software, debugging hardware, and working with AI when the real world refuses to fit inside a test environment.
Current desk
What I write about
AI as a debugging partner
What agents can infer from logs and code, what they cannot see, and how humans become part of the instrumentation.