Each entry says what it actually is. Shipped means it exists and people have used it. Operating means it is running hardware I own. Planned means the plan is real and the result is not. Nothing here is a customer case study, because none of these clients have approved one.
An ESP32-based radio-frequency power detector, built as a conference badge and taught as a four-hour hands-on direction-finding workshop at DEF CON 34.
ROLE
Hardware design, firmware, and workshop instruction
Owned server infrastructure in San Diego used as the proving ground for remote-operability work: if a change cannot be made safely from another continent, it does not leave this rack.
Server hardware operated in Japan. The interesting engineering problem is not the machines; it is running them properly while being somewhere else, under a different legal and operational regime.
A project plan, not a case study: what it would genuinely take to run useful local computing on a boat, given the power budget, the heat, and a connection that disappears.
High-level only. Hardware sourcing and field engineering work under wartime conditions, published at the level already in the public record and no further.