All about electronics and circuit design

History of 3D graphics cards

Try to imagine where 3D gaming would be today if not for the graphics processing unit, or GPU.  It’s pretty amazing when you think about how far graphics technology has come. Maximum PC has publishes an interesting article From Voodoo to GeForce: The Awesome History of 3D Graphics that takes a look back at every

Evolution of The Laptop

Laptop evolution video shows the evolution of the laptop computer since 1976 to today in three minutes. The video goes even beyond today.  The video consists of pictures of different laptop models and background music. Laptop evolution from YouTube


DealExtreme says they have cool gadgets at the Right Price. And they are right on this. DealExtreme (DX) is a Hong Kong-based online shopping site which specialises in a wide range of inexpensive electronic goods and other related items. Products range from useful and potentially useful to completely useless. Some of the most popular gadgets

Practical jokes around workplace – part IV

Today everybody has a network connection in the office. And the majority of people are quite heavily dependent on their connections during the day. In other words if their connection is down they get quite frustrated quite fast. My colleague was one of these people and he got very upset very fast. I always dreamt

Google Efficient Data Centers

Google has published recently more and more details on their data center and their own servers they use. Some of the most interesting details can be found at the Google Efficient Data Centers Summit presentations. Google Efficient Data Centers Summit – 2 of 3 video is worth to watch if you are interested in how

Build Your Own Multitouch Surface Computer

Touch interfaces are hardly futuristic at this point, but multi-touch hardware like the Microsoft Surface or the iPhone is just starting to become a big deal. Now it is time to learn how they work and maybe try to build our own. maximumpc.com site has published an interesting article called “Build Your Own Multitouch Surface

How big shows are built

Ola Melzig, Production Manager for lights, sound, video and rigging used in 2009 Eurovision Song Contest is keeping on on-line diary of the production. The first broadcasts will be aired between May 12 and May 16 throughout Europe. Because the size of the production the project to build all needed technology and other infrastructure has

Circuitry Snacks

Circuitry Snacks web site at http://www.evilmadscientist.com/article.php/circuitsnacks gives tips how to make circuitry snacks! Those snacks look like electronics circuits. If your two favorite things in the world are playing with electronics and playing with food, this site is well worth to visit. The page begins by gathering up appropriate snack-food building blocks and making food-based

Use an old Nokia charger to power 1W LED

Here is one useful trick I invented when looking around the transformers/power supplies I had. NOKIA ACP-7 Europe Standard Charger (Original) has a specification of 230 V, 50 Hz, 4.8 VA. Output 3.7 V, 355 mA. A normal 1W white LED is driven with 350 mA maximum continuous current and typically 3-3.8V voltage drop over

Practical jokes around workplace – part III

I was recently subjected to a practical joke that nearly made me lose my nerves. Me and my dear colleague shared a common workroom in which we worked. One day he had a nice idea and he brought a remotely controllable socket and connected my display to it. When ever he was in the room