Spyke

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Apparently Homebox allows setting third-party label rendering endpoint through an HBOX_LABEL_MAKER_LABEL_SERVICE_URL env var

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I keep track of lots of vintage devices in my basement, these lay on a CD shelf with narrow walls, and I want to keep track of their maintenance status, i.e. when did I charge the battery last time.

This little printer is pretty handy for labeling tasks, with one noticeable problem: the resolution is quite low, so I cannot afford printing full length domain name on such a tiny label. What I ended up with is writing my own microservice that puts fake http://i.nv/ domain in front of inventory ID. That domain is provided by DNSMASQ that I run on my server, and there's also NGINX listening for that domain and doing 302 onto an actual Homebox page.

Homebox sends URL parameters to the specified endpoint, and given that information it is possible to construct any label of any shape or form, it only needs to be a PNG image.

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Raspberry Pi 4B

What's currently running on mine:

  • 10 commodity SSDs through a powered USB hub forming a poor man's NAS with snapraid + mergerfs
  • Podsync for converting my favorite YouTube channels to podcast feeds
  • Syncthing for generic file synchronization
  • K3s for whatever projects coming to my mind
  • Retroarch for occasional gaming needs
  • MPD with a floppy disk interface as my music station
  • CUPS for printserver

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Turning Grafana into a health tracking app

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Gadgetbridge allows automatic SQLite database export to the location you specify.

Navigate to Settings -> Automations -> Auto export database, and from there you can configure the details.

You can put it into a shared Syncthing folder, or something alike, or process it with Termux + Tasker. Personally, I hesitate to send megabytes of data over the wire every couple of minutes, so I rigged up a script that extracts the required metrics (for now its my steps only, the rest does not seem to be accurate) and sends a payload to my queue, where a consumer script later adds it to the DB.

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Found this in my mail yesterday.

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I plan to explore the operating system, it has undergone some heavy design changes from Sony. Currently the device has no battery and it lies on the shelf as a display piece, but later on could film some videos maybe. Just need to gain more confidence talking to camera 😅