I bought some time ago Key Style Stainless Steel Hot Swapping USB 2.0 Flash Drive – Silver (8GB) hoping to get a nice USB memory that I can include to my keyring. The product got even some good reviews at Dealextreme product page. At first everything looked good. The good things was that this product →
Network World is running a guest article Open Source Software Licenses versus Business Models by Outercurve Foundation’s technical director Stephen Walli discussing how FOSS license choice can affect a company’s business model. In Open Source Software Licenses versus Business Models article Walli disagrees that a FOSS license dictates the business model or that the business →
Selecting the Best Battery for Embedded-System Applications article tells that non-rechargeable (primary) batteries find wide use in mainstream embedded-system applications. This category of batteries includes alkaline devices, which manufacturers typically fabricate using manganese dioxide and zinc powder with a caustic alkali of potassium hydroxide as an electrolyte. The nominal voltage of an alkaline cell is →
Safety is important when arranging events. And there are a lot of things to consider to make the event safe for everybody (I know from experience from several event I have been working with). Control Geek blog writes about US Event Safety Alliance Document in Public Review. The Event Safety Alliance is a group of →
Solving a Rubick’s Cube with LEGO and popsicle sticks The user enters the cubes state into a python GUI, which the solves the cube using the beginners layer by layer method. It then sends the solution to the Arduino via (usb) serial, which then solves it. →
Mozilla announced a new WebGL demo: Crypt Demo. This Crypt Demo is a great example for how far browsers have come and for the cross-platform experiences developers can now create without having to rely on plugins. The demo is written by ACTISKU‘s Anthony Liot. The demo should run in most modern browsers that support WebGL →
Inadequate shielding and bad grounding are often blamed when measurements are inaccurate, especially in high-impedance applications. Understanding grounding, shielding, and guarding in high-impedance applications article tells tells that in fact, shielding and grounding problems are frequently responsible for measurement errors, but many test system developers aren’t quite sure why. Many measurement errors can be traced →
In my Audio and video signal susceptibility classes I wrote that digital video interfaces like DVI and HDMI can also have ground loop noise problems as they use a combination of balanced and unbalanced signals. Ground loop problem is one very possible source of intermittent problems over long distance in HDMI installations. This article is →
HDMI uses copy protection system called HDCP. And I have know for some years that HDMI copy protection broken. But based on recent information that has popped out it seems that it is even more broken that I thought that it was. Hackaday tells that HDMI breakout lets you sniff HDCP crypto keys and points →
Understanding Ajax vulnerabilities article is an introduction how to protect the web applications you create with Ajax. Because of its range of functions and ease of use, Ajax is one of the most widely used tools for building web applications today. All applications, including those built using Ajax technologies, are vulnerable to exploits that compromise →