JJ Heffernan
•Aug 28, 2026
A product concept for managed private cloud storage on your domain, powered by Nextcloud and designed around portability.
Writing & updates
Notes on web delivery, embedded systems, mechanical design, and how this site is built.
Giving a friend one place to book his mobile bar
JJ Heffernan
•Aug 15, 2026
A friend pours at events around Newark and Wilmington and had nowhere to send people except Instagram DMs. So we built him a hub that quotes a night.
OSEAD Demo: coastal rentals and sales, rebuilt from a 2017 jQuery memory
JJ Heffernan
•Jul 17, 2026
How osead-demo grew into a white-label coastal real-estate template β Svelte islands, AFK waves, and what shipped.
Local agentic AI β Mac Mini harnesses, a 4090 worker, and one Obsidian skill vault
JJ Heffernan
•Jul 6, 2026
Odysseus, OpenClaw, and Hermes on a Mac Mini; smaller models on a 4090 LM server; OpenRouter and OmniRouter up-stack β decoupled harness, shared skills vault.
OpenMANET radio buildout: pace car mesh comms at Watkins Glen
JJ Heffernan
•Jun 24, 2026
OpenMANET HaLow mesh build for pace car and track-side comms. Covers hardware, PTT, Watkins Glen layout, and Starlink backhaul.
jheff.media-site, from boilerplate fork to a modern Rust media stack
JJ Heffernan
•Jun 19, 2026
Commit history of the automotive social landing repo: Yew 0.23, Actix 4, Tailwind v4, unified feeds, and what comes next.
MakerWorld BOM to McMaster: building a rule-based hardware matcher
JJ Heffernan
•Jun 8, 2026
makemcmasterBOM origin story plus July 2026 updates: taxonomy crawl, 41-category matcher, imperial fasteners, enrich/pricing, feedback dispatch, and editor UX.
Animal Garage: building a headless automotive storefront from scratch
JJ Heffernan
•Jun 7, 2026
Case study of animalgarage.net: SvelteKit sprint, Saleor/Ghost/Supabase hydrators, mock-first flow, and next integration steps.