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

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Archive for the ‘Gadget’ Category

How much USB power does a device use or provide? Apple Computers and Displays: Powering peripherals through USB

Posted by jpluimers on 2012/05/28

Two quotes:

Apple peripheral devices may request more than 500 mA (Milliamps) at 5 V (Volts) from a port to function or to allow for faster charging. Such Apple peripheral devices include:

  • Apple MacBook Air SuperDrive (when connected to supported computers)
  • Aluminum Wired Keyboard*
  • iPod
  • iPhone
  • iPad

Open System Profiler to find more information about peripheral power requirements, or contact the manufacturer of your peripheral. For the most accurate information about power usage, make sure your device is connected directly to your Apple computer or display before opening System Profiler.

All this because of the iPad charging challenge.

–jeroen

via: Apple Computers and Displays: Powering peripherals through USB.

Posted in Apple, Gadget, Power User | Leave a Comment »

Nice gadget: 5Port USB Power Metal Ethernet Network Hub Switch BL-S805-U – DinoDirect.com

Posted by jpluimers on 2011/08/12

Sometimes you are in situations where the number of power outlets and the number of LAN connections is limited.

That’s where the 5 Port USB Powered Ethernet Network Switch BL-S805-U from DinoDirect comes in handy.

It was the only reasonably priced USB powered ethernet switch I could find, and it works like a charm.

Highly recommended :)

Thanks to the BrightHub article that pointed me to it!

–jeroen

via: 5Port USB Power Metal Ethernet Network Hub Switch BL-S805-U – DinoDirect.com

Posted in Gadget, Power User | Leave a Comment »

 
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