Blog

Android Automotive, solo-scale engineering, occasional detours. RSS

• How coffee roasting works, one bean at a time Jul 3, 2026

  An interactive explainer that follows a single coffee bean from fruit on a mountainside through processing, drying, and roasting, to the cup.

• How an espresso machine works, taken apart Jul 3, 2026

  An interactive explainer that follows the water from the tank through the pump, boiler, and E61 group to a shot with crema.

• Rendering real Android Automotive devices on a server: Cuttlefish and an AI-first testing portal Jun 21, 2026

  How I run real AAOS devices headless on a bare-metal box with Cuttlefish, stream them live into the browser, and drive the whole thing from an API so an agent can test apps at scale. The setup, the architecture, and how it fits together.

• Hello, hirschmann.io Jun 11, 2026

  What this site is, and what I plan to write about.