Category Archives: Devices

About devices and toys I am either playing with or am interested in.

Amazon Prime Video – Dolby Digital gone!?

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We are using the Amazon Prime Video application on an Android TV device (Nvidia Shield TV 2019, to be exact). The device is attached via HDMI to an HDMI audio splitter and from there to a Yamaha 5.1 amplifier via fiber SPDIF (why I had to do it this way is a story on its own). This gives us Dolby… Read more »

Ultra portable mini soldering iron – Even open source

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I just wanted to quickly share my excitement about a device I purchased some time ago – the TS100 mini soldering iron. The TS100 is a really tiny soldering iron, and light weight. With the tip assembled it is overall about 17cm long and weighs just a little over 30gr. The manufacturer also offers a range of replaceable tips for… Read more »

Thermal Camera on Linux – FLIR ONE Pro

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Recently I got myself a new toy, which is actually a very useful toy, a thermal camera! The one I got was used from eBay, a FLIR ONE Pro “for Android” with USB type-C connector, this is how it looks like: This is a pretty neat device as it attaches directly to the USB type–C port of a mobile phone… Read more »

Power Cosumption – Intel Based Laptops

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With the Teclast F5 (same hardware: BMAX Y11) being my portable little workstation I try to maximize battery life under Linux as much as I can and while doing that try to figure out which are high consumers and how to bring these down. One of the very first things I found useful was to run powertop and going to… Read more »

Teclast F5 – Update

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Some time ago I wrote a review of my experiences with the Teclast F5 11.6″ slim laptop and Linux. I am still a fan of this low cost but super slim and light weight laptop. It offers everything I need as an ultra mobile laptop for travel – 8GB RAM, M.2 SATA SSD slot, full-HD display and even touch. It… Read more »

Kernel update for Marvell Kirkwood TK71 board

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After some silence and in preparation for CCC Camp 2019 where I want to use this board as small FTP server I updated the kernel a bit to 3.16.72 (LTS), information here: https://www.warpcomm.org/ and patch here: https://www.warpcomm.org/downloads/tk71/20190815/linux-3.16.72-tk71.patch Maybe some time in the future I’ll forward port the stuff to 4.x or 5.x but this is a bit more effort since… Read more »

China 40W Laser Cutter / Engraver – You get what you pay for :-)

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So, this is the latest addition to my workshop, a _really_ cheap 40W CO2 laser cutter / engraver I got new from eBay for 315EUR – including shipping! For that price you can not expect miracles. Why I did it anyway, being perfectly aware of the possible issues, was that I wanted to play around with laser cutting and especially… Read more »

Teclast F5 – 11.6″ Laptop & Linux

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Last week I was in Hong Kong and shopped a bit for electronics. I love small laptops since I am traveling quite a bit lately and don’t want to carry around too much weight and bulky luggage but still want to be able to do the basic things – some programming, office, web browsing. The current 13″ laptops are already… Read more »

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 »