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

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Archive for the ‘USB’ Category

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Going to test some USB 3 gigabit ethernet adapters based on Realtek RTL8153 and Asix AX88179 chips

Posted by jpluimers on 2018/07/27

Later on, I might add a USB31000S in the mix, but I will do some initial testing with USB 3 gigabit ethernet adapters based on Realtek RTL8153 and Asix AX88179 chips.

Things I will focus on with my Retina MacBook Pro 2015 model are:

  • CPU usage
  • Throughput
  • Duration between reconnect on USB after suspend, and renewing the DHCP lease
  • Promiscuous mode capabilities

Some links for my references:

A first impression from the above links is that for Realtek chipset based devices, drivers are more readily included in operating systems, and these chipsets are better at VLAN handling.

–jeroen

Posted in Ethernet, LifeHacker, Network-and-equipment, Power User, USB, USB, USB-C | Leave a Comment »

USB LED Light Lamp for Computer Keyboard Reading Laptop Notebook PC 2016 | eBay

Posted by jpluimers on 2017/09/18

Putting all those old USB chargers to good use:

USB LED Light Lamp for Computer Keyboard Reading Laptop Notebook PC 2016 | eBay [WayBack]

Via:

AMAZING 77 cent LED light -including shipping Pulls about 3/4 of a watt (0.14 amp @ 5v), and rivals the light output of a $20 3 watt lamp from Amazon.… – Joe C. Hecht – Google+ [WayBack]

–jeroen

Read the rest of this entry »

Posted in Development, Hardware, Hardware Development, Hardware Interfacing, Power User, USB, USB | Leave a Comment »

$59 HDFury Universal PSU Doctor Supports Power Monitoring via iOS or Android

Posted by jpluimers on 2017/05/11

Interesting device [WayBack]: $59 HDFury Universal PSU Doctor Supports Power Monitoring via iOS or Android which has a lot more details.

Via: [WayBack] +HDfury has launched a 3-port USB charger/power supply with power monitoring function. – Jean-Luc Aufranc – Google+

–jeroen

Posted in Android Devices, Apple, Development, Hardware Development, Hardware Interfacing, iOS, Power User, USB | Leave a Comment »

Mac OS X – serial communication programs

Posted by jpluimers on 2017/03/30

Some links that helped me getting FTDI USB serial communication to Raspberry Pi systems going:

–jeroen

Posted in Apple, Communications Development, Development, Hardware Development, Hardware Interfacing, iMac, Legacy Ports: COM, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, OS X 10.10 Yosemite, OS X 10.9 Mavericks, Power User, Raspberry Pi, USB | Leave a Comment »

USB Typewriter — Classic Typewriters for the Digital Age (for mechanical typewriters, not electrical ones)

Posted by jpluimers on 2014/03/19

Nicely done: the USB Typewriter — Classic Typewriters for the Digital Age, as they can do almost all keys a PC keyboard can do see the USB Typewriter — FAQ using a mechanical (not electrical!) typewriter.

Basically the opposite of  the IBM Selectric Computer Terminal, the Daisy wheel printing, the IBM 1050 system, and the IBM 2741 Console.

Note the kits (there are both soldering and non-soldering versions) are mostly aimed at models that once were popular in the USA, so for manufacturers like Adler there are no guidelines (but the existing guidelines for soldering and for non-soldering probably work fine).

–jeroen

Posted in Development, Hardware Development, Hardware Interfacing, Keyboards and Keyboard Shortcuts, LifeHacker, Power User, USB | Tagged: | 2 Comments »

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