Engineering notes from 462engineering. One entry per day; open a day to read its topics. Each post says what was measured, what was verified in source code, and what is still a hypothesis.

  • 2026-10-19

    • TuyaBeGone: free firmware for a cheap LSC camera
    • Moving a TwinCAT 3 machine from Windows to TC/BSD

  • 2026-10-12

    • Network map: Wi-Fi, Zigbee, moved cables
    • A stateless air-circulation loop in Home Assistant
    • Heating load from a power meter, with a forecast

  • 2026-09-28

    • SteamVR overlay judder on RDNA4, and Monado
    • mutter never forgets an unplugged GPU
    • sRemFB: playing on the GPU box from the desk
    • Small notes: Debian 13 + RDNA4 + Index

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