Engineer Revived Dead Hello Sense Tracker with Claude

Engineer Joseph Spurrier used Claude (Opus 4.6) to revive the dormant Hello Sense tracker, which had been shut down after the Hello company closed in 2017. He extracted a unique 128-bit AES key from the hub's flash and rebuilt the cloud backend into a local stack of three components under the MIT license.

Compiled by Sergey KostenchukPublished 2026-08-29Updated 2026-09-18

2026-08-29 Business Anthropic

💼 Engineer Revived Dead Hello Sense Tracker with Claude

Joseph Spurrier brought the "glowing sphere" with temperature, humidity, light, noise, and air sensors back to life: Hello closed and shut down the cloud back in 2017. He extracted the unique AES key from the hub's flash and reduced the backend from 16 containers to three components — everything is published under the MIT license.

🌍 Claude generated six UART probe scripts in 24 minutes, but did not independently think of the 3.3-volt wiring — human expertise saved the day. The case strengthens the movement against "cloud auctions": devices work even after the vendor's death if the source code is released in time.

👤 A dead tracker from a closet can be revived using the hello-sense checklist: find the vendor's repositories, extract the key via UART/SWD, replace the certificates, and bring up the backend in Docker. Guides are already on GitHub.

Source 1: https://github.com/josephspurrier/hello-sense Source 2: https://news.ycombinator.com/item?id=49491715

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