Blog
Eine Reise durch die Klassik
Ein Hörplan in 18 Etappen für alle, die die großen Werke schon kennen: pro Epoche eine These, konkrete Aufnahmen mit Spotify-Links, Bücher und Querverbindungen zu späteren Etappen.
Read More →What To Actually Read About Anycast
A short, verified reading list for running anycast. RFC 4786 is the closest thing to a manual; the rest covers draining, stale routes, and why your monitoring will not see the outage.
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Situational Awareness for German RF
Three tools for working out what is legally in a German band before you build in it, parsed from all 1,997 entries of the Bundesnetzagentur Frequenzplan: a band explorer, a frequency lookup, and a printable wall chart.
Read More →Don't Pipe Your Own Tools Into tail
I hardened a deploy script to fail loudly, then hid its output behind tail and spent an hour diagnosing from pgrep. Three shell habits that turn a working tool into a silent one.
Read More →On Great Plugin Systems
A harness is only as good as its plugin system, and an agent only as good as its harness. A new paper formalises what everyone else hand-waves — and its implementation sits under DeepSeek's harness.
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I Debugged a Display by Photographing It
Orientation bugs on a 22 mm e-paper panel, one build-flash-photograph cycle at a time. Symmetric test patterns hide flips, the controller's own 180-degree mode mirrors at byte granularity, and partial refresh has prerequisites nobody documents.
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The HAL Said Ok. The Pin Never Moved.
Two days blaming a booster circuit, two e-paper panels and an adapter board. The actual bug: esp-idf-hal returns Ok() for GPIO writes that never reach the pad, because the pin belongs to the JTAG block.
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Running a Basic RTSP Test Stream
When debugging media streaming applications you likely need to test a source. ChatGPT and Google leave you stranded with outdated URLs. Here is a good alternative solution.
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This Site: Brand Header
When not having much of a design creativity, I rely on giants...
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[wip] Essential Reads: Systems and Requirements Engineering
Planning systems to become successful needs more attention. Let's learn from the best.
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