PHNTM One — Build logEngineering notes from building a private, local AI appliance by hand.https://www.phntmcore.com/blog2026-09-30T00:00:00ZJacob DeCampPHNTM One 1.0: reservations are openhttps://www.phntmcore.com/features#1-02026-09-28T00:00:00Z2026-09-28T00:00:00ZEverything PHNTM One 1.0 does, on one page: voice in ten languages, dictation, timers, alarms and lists, documents, photos and an offline library, Home Assistant control, fifteen self-repairs and a weekly report. Reserve free; batch 1 ships when 1.0 is certified.Software 0.8: autonomy, on the recordhttps://www.phntmcore.com/changelog2026-09-26T00:00:00Z2026-09-26T00:00:00ZAutonomous mode, repairs with a verified undo, a running score of every fix, and the September security work: every software release from the first builds to 0.8.Running a private AI assistant on a Raspberry Pi 5https://www.phntmcore.com/blog/private-ai-on-raspberry-pi-52026-08-20T00:00:00Z2026-09-30T00:00:00ZThe Raspberry Pi 5 hardware and local voice stack, the 8 GB memory budget, dated performance evidence, a real hardware clip and repeatable privacy checks.The mini-PC I returned: choosing hardware for a local AI appliancehttps://www.phntmcore.com/blog/choosing-hardware-for-a-local-ai-appliance2026-08-20T00:00:00Z2026-08-20T00:00:00ZWhy an N5095 mini-PC got returned (no AVX2, an ACPI interrupt storm), what the prototype taught us, and why production PHNTM One units are built on the Raspberry Pi 5.