Hi, I'm zshn.

Hello World

First post on the new site. Why I built this and what to expect.

Learning in Public

Four Apps, One Question: How Far Can an Idea Go Before You Know If It's Worth It?

The development stories of four apps I built — a radial time visualizer, an interactive learning platform, a network camera CLI toolkit, and this very site — with the dead ends and reframings intact.

Modbus RTU on a Mesh: When 2 Milliseconds Was the Whole Bug

How I bridged a 1979 industrial protocol to a wireless mesh, and the timing bug that taught me to stop blaming the CRC.

Sleep Mode: Letting an AI Build a Project While I Actually Sleep

The architecture of an autonomous agent orchestrator I built — eight phases, fourteen rules, four real runs, and the failure modes I hit along the way.