1. Acer C720 (in Japanese)

    (Not-)New Notebook PC in 2017

    My notebook PC was getting broken somehow (not the PC itself, but its AC adaptor and battery) at the end of year of 2016.

    So, I bought Acer C720 in 2017. My main criteria to select computer is how I can control the computer …

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  2. Flying Stone Tiny 01G Test Plan

    We need to specify the test plan to manufacture the board. In order to encourage designing and manufacturing by yourselves, we show our test plan for Flying Stone Tiny 01G here.

    This makes the reproducibility better, I suppose.

    Since our point is the users' computing freedom, we specifically use a …

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  3. Installing Debian Stretch

    Another (somewhat not new) notebook PC of mine

    I got Acer C720 Chromebook this year (2017).

    Since it is a good opportunity, I install Debian Stretch (now "testing") to this machine. It took a half of day (including replacing SDD and BIOS, preparation of USB memory for installation, as well …

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  4. Flying Stone Tiny 01 revision G

    Five years passed from the initial design of FST-01. Now, I have another revision "G", where "G" may stand for "Good" or "Green".

    Update is required for two reasons:

    • The LDO regulator became discon.
    • KiCAD has been changed. Especially, the file format has been changed.

    Components of FST-01

    • STM32F103TB
    • USB …
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