ePanorama.net

All about electronics and circuit design

The Internet Map

The Internet Map is an interesting web page. It represents over 350,000 websites from 196 countries and he map displays over 2 million site links based on topical similarities. Each site is represented by a circle, with size depending on the amount of traffic, and the space between each is determined by frequency, or strength,

ADSL overvoltages and protection

Every summer we get thunderstorms, with the accompanying lightning. Last summer one ADSL modem and computer Ethernet interface I was using was destroyed by lighting. So I decided that an article on ADSL overvoltage protection would be a good idea. It took some time to get this article ready, but here it is. ADSL overvoltage

AAA to Y* of Finland

Finland is now the last eurozone country to hold a triple-A credit rating. So, why are things so rosy in the Scandinavian state? AAA to Y* of Finland article gives one picture what is special in Finland (the country I live in).

Got my Raspberry Pi

I just got my Raspberry Pi computer board some time ago. When I cam back from vacation trip I finally had time to test the board. I downloaded the software from Raspberry Pi homepage. I started my testing with Raspbian “wheezy” OS version because that is the image Raspberry Pi creators recommend you use. It

Wireless Internet inside plane

I just used reasonably priced wireless Internet in plane. I flew yesterday with Norwegian Boeing 737 plane. When the plane took off there was a surprising announcement on the plane: This plane has a free wireless Internet system on board. As soon as the plane is in flying altitude and the fasten your seatbelt light

Connected TV in 2012

People seem to want their TV with more features, like internet ready, apps, web browser etc. All these extra features are basically already there on computers. Now they want a combination. The connected TV will evolve. Connected TV and voice remote control seems to be the direction TV makers are pushing their products to because

Buttons operated show control in TV shows

I saw an interesting article at Controlgeek blog titled America’s Got Talent Buzzer Show Control. It tells how the judge buttons work in the “World’s Largest Talent Show”. Those buttons sound a loud buzzer sound effect, fire a bunch of strobes and light cues, and trigger video on large upstage video wall. Often on TV,

Can Maintenance Make Data Centers Less Reliable?

Is preventive maintenance on data center equipment not really that preventive after all? Can Maintenance Make Data Centers Less Reliable? With human error cited as a leading cause of downtime, a vigorous maintenance schedule can actually make a data center less reliable, according to some industry experts. Is Maintenance Making Your Facility Less Reliable? article

Notepad++ editor

I have recently started to use Notepad++ more and more for my code editing (both C source code and scripts). Notepad++ is a free (as in “free speech” and also as in “free beer”) source code editor and Notepad replacement that supports several languages. The editor is a multi-Language environment that has syntax highlighting and

JavaScript tools for the HTML5 generation

17 JavaScript tools for the HTML5 generation article has an interesting list of useful tools. Look beyond jQuery and you’ll find a wealth of JavaScript libraries tuned for mobile devices, Canvas-based animation, HTML5 video, local databases, and more. I have also seen some other interesting looking tools that seem to be something that could be