The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Hardware’ Category

GL-AR300M – GL.iNet: nice small device allowing NAT over WAN, WiFi, 3G/4G modem, or OpenVPN

Posted by jpluimers on 2020/08/28

Still glad I got a few of [WayBack] GL-AR300M – GL.iNet: it makes travel life so much easier when you cannot use tethering.

I got the model GL-AR300M with external antennas (the GL-AR300M only has internal ones with a much shorter range).

Powered over USB, it runs OpenWRT and can NAT a local network towards an external network on the WAN, WiFi or (via USB) 3G/4G modem.

Despite doing only 2.4Ghz, it was a life saver in many occasions (there is a 5Ghz model, but it has over heating issues).

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Posted in Development, Ethernet, GL-AR300M, GL.iNet, Hardware, Hardware Development, LifeHacker, Network-and-equipment, Power User, Raspberry Pi, routers, VPN, WiFi | Leave a Comment »

Computer Hardware Chart – Imgur

Posted by jpluimers on 2020/08/28

Geek pr0n from now all the way back to the 1980s [WayBackComputer Hardware Chart – Imgur.

Basically all sorts of modules and connectors you find in computers:

  • Notebook RAM
  • Desktop RAM
  • Hard Drives
  • CPU Sockets
  • Processor Card Slots
  • Processor Card Sockets
  • I/O ports
  • Peripheral Cards
  • Desktop Card Slots
  • Power Connectors

Via: [WayBack] #NerdPorn Computer Hardware Chart https://imgur.com/gallery/hBE7ZF8 – DoorToDoorGeek “Stephen McLaughlin” – Google+

–jeroen

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Posted in Hardware, History, Power User | Leave a Comment »

Some more interesting OpenWrt capable routers/ATAs

Posted by jpluimers on 2020/08/24

Interesting devices running OpenWrt:

–jeroen

Posted in Internet, Power User, routers | Leave a Comment »

Firewall whitelist for Windows Update

Posted by jpluimers on 2020/08/14

In the end, this list worked on a Fritz!Box, but I still do not know which other subdomains and protocols they silently let pass:

windowsupdate.microsoft.com
*.windowsupdate.microsoft.com
*.update.microsoft.com
*.windowsupdate.com
download.windowsupdate.com
download.microsoft.com
*.download.windowsupdate.com
test.stats.update.microsoft.com
ntservicepack.microsoft.com
update.microsoft.com
*.update.microsoft.com
*.download.microsoft.com
windowsupdate.com
wustat.windows.com
login.live.com
mp.microsoft.com
*.mp.microsoft.com
www.update.microsoft.com
support.microsoft.com
www.msftconnecttest.com

Some source materials:

–jeroen

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Posted in Fritz!, Fritz!Box, Internet, Power User, Windows, Windows 10, Windows 7 | Leave a Comment »

On my research list: finding out how to prevent FortiClient to route all traffic over VPN

Posted by jpluimers on 2020/08/10

Links that will likely help me:

–jeroen

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Posted in FortiGate/FortiClient, Hardware, Internet, Network-and-equipment, Power User, routers, Security, VPN | Leave a Comment »

Operant Conditioning by Software Bugs – Embedded in Academia

Posted by jpluimers on 2020/07/21

Good to remember both these:

[WayBack] Operant Conditioning by Software Bugs – Embedded in Academia which means when using a system, you subconsciously start behaving around it’s issues. This also happens when you the software you wrote the software for such a system: you hardly test the things that you broke.

The magic SysReq key on Linux systems running on PC-hardware allows you to sync/mount read-only/shutdown a system by keyboard (and many more options – see the Wikipedia list below). Do not forget to enable this as it is disabled by default. And remember that many laptops forego the SysReq key (as do Mac systems).

The order while holding Alt-SysReq down is S,U,B…

Both via [WayBack] Kristian Köhntopp – Google+

–jeroen

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Posted in *nix, *nix-tools, Development, Keyboards and Keyboard Shortcuts, Power User, Software Development, ThinkPad | Leave a Comment »

Li-Ion BMS – Lithium-Ion Battery Management Systems and large battery packs

Posted by jpluimers on 2020/07/16

Just in case I want to really go off-grid: [WayBack] Li-Ion BMS – Lithium-Ion Battery Management Systems and large battery packs

It has a configuration selector module pointing to companies (even one in The Netherlands) that can help me out.

Via [WayBack] DIY Electric Car Forums – View Single Post – using 18650 cells to make 25kwh battery

Hopefully they are based on 18650 batteries:

 

–jeroen

Posted in 18650, Batteries, Hardware, Li-Ion, LifeHacker, Power User | Leave a Comment »

Remote power control your IoT hardware and remote updating boot SD cards

Posted by jpluimers on 2020/07/16

Thomas Rini (of U-Boot and Yocto fame) mentioned these solutions for remote power control of IoT devices and remote updating SD cards in this slide State of the U-Boot – Thomas Rini, Konsulko Group:

Two power solutions I like myself are:

The combination of these allows for really flexible production and testing environments.

Slides at [WayBackELC2017 – State of the U-Boot.pdf

–jeroen

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Posted in Arduino, Development, ESP8266, ESP8266X, Hardware Development, Hardware Interfacing, IoT Internet of Things, Network-and-equipment, Odroid, Power User, Raspberry Pi | Leave a Comment »

Remapping a mac keyboard for windows user In my quest to make this macbook air into a usable machine: Karabiner-Elements

Posted by jpluimers on 2020/07/10

I am still a bit ambivalent on remapping keys on a keyboard, mainly because of two reasons:

  • Without remapping, tools used for virtualisation, remote access and shells already get it wrong every now and then. Finding causes is already tough, so adding more degrees of freedom complicates this more.
  • Switching systems or assisting people without the tools can be cumbersome. I vividly remember the really hard times when I had switched from Windows Explorer to Windows Commander (now Total Commander) and could not use it on a sequence of contracting jobs.

Just in case I am going to use it:

–jeroen

Via:

 

Posted in Keyboards and Keyboard Shortcuts, Power User | Leave a Comment »

RB450G and “..could not get answer from dns server” – MikroTik

Posted by jpluimers on 2020/07/06

[WayBack] RB450G and “..could not get answer from dns server” – MikroTik: I do not see a default route. It would be the route with “dst-address=0.0.0.0/0.

–jeroen

Posted in Internet, MikroTik, Power User, routers | Leave a Comment »