Tag Archives: Linux

CNC free software – resurrection of legacy mill

Back in the days when PCB making was expensive I started to look at ways to do that on my own. There were basically two: photo lithography and etching or milling. I did not like the idea of having to handle the nasty chemicals for etching so I first decided to get myself a CNC milling machine. Later on I… Read more »

Finally, S0i3 is there! Thinkpad Tablet 10 sleeps deeply with Linux kernel 4.15rc

This is so good news, finally! I have been waiting for this for almost two years now. What happened? This happened: root@bones:~/bin# ./pms before sleep: AC online @ 0.00W | Cap-remain 26.88Wh | Voltage 4.183V | Remain 0h 0m S0IR Residency: 0us S0I1 Residency: 0us S0I2 Residency: 0us S0I3 Residency: 0us S0 Residency: 198783424us after sleep: AC online @ 0.00W… Read more »

Thinkpad Tablet 10 – Battery status, Audio

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Good news! I finally managed to get battery readings! I finally gave up on trying to figure out what is wrong in kernel land and resorted to a userspace implementation. I think the kernel I2C ACPI operation region implementation is not really compatible with the TPT10 ACPI. After implementing my small userspace solution I now have a very vague idea… Read more »

Android “root” – Neues Spielzeug Ideapad A10

Vor ein paar Tagen haben ich mir ein neues (gebrauchtes) Spielzeug auf eBay geschossen, ein Lenovo Ideapad A10. Das ist eine Mischung aus Android Tablet und Netbook, also ein Android Tablet mit Tastatur, Touchpad und Touchscreen. Das A10 basiert auf einem Rockchip RK3188 und kommt von Hause aus mit Android 4.2.2. Dies Hardware ist ganz nett, die CPU mit vier… Read more »