Troubleshooting: VirtualBox VRDE Remote Desktop Connections

Running a virtual machine in VirtualBox, you have two options accessing it via a remote desktop protocol (RDP) connection: running a RDP server on the virtual machine itself (e.g. the RDP server integrated in Windows Pro versions) or connecting on machine level via VirtualBox VRDE, which is compatible to Microsoft RDP.

This article should help you troubleshooting non-working VRDE connections.

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Review: ASRock H97M Pro4 Mainboard

This article about the ASRock H97M Pro4 mainboard will summarize some information and test results I collected, including AC and DC power consumption figures. Please note this is not a classical review but more a test report focused on system efficiency.

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Overview: Cheap FPGA Development Boards

The first thing one usually does when getting started with FPGAs is to look for an appropriate development board or starter kit. As there are a lot of options out there, this could be quite a difficult matter.

This blog post should give an overview of cheap FPGA boards at a price mark between $20 and $100.

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DSO hacking quick guide Voltcraft DSO3062C / Hantek DSO5062B / Tekway DST1062B

There is a lot of information on the web how to upgrade or hack your Voltcraft/Hantek/Tekway digital oscilloscope, but because there is so many information, things can get a it confusing and take some time to read. That’s why I decided to write my own quick guide bringing together most important information and making things easy. Enjoy!

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HowTo: Write your own interface application for Arduino

The Arduino is a great platform for a lot of projects in electronics since you do not have to start from scratch – not in hardware nor in software, since it comes with a nice framework including a bunch of useful libraries. This makes it possible to control an Arduino board over USB with a few lines of code.

In this article I want to summarize how to do this and how to write your own interface application.

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Solved: Windows 7 client ignores ping requests

From time to time there is an issue with Windows 7 computers in the network: they do not answer ping requests although everything seems properly configured and other clients in the same network work fine.

This is because only clients with activated “File and Printer Sharing” do answer ping requests by default.

Fortunately this problem can be solved with a little change in the Windows Firewall settings without the need to completely activate “File and Printer Sharing”.

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HowTo: Add BDA hardware support to Windows Server 2008 R2 / 2012

If you want to use software such as DVBViewer, DVBViewer Recording Service or MediaPortal on your Windows Server, you may encounter the problem that it won’t recognize any of your DVB devices.

This is because there is no BDA support (Broadcast Driver Architecture) on Windows Server 2008 / 2012. So if you want to use BDA based hardware (i.e. DVB TV cards) it is neccessary to add BDA harware support manually.
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