ePanorama.net
All about electronics and circuit design
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 →
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). →
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 →
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 →
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 →
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, →
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 →
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 →
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 →
I bought Fuji HS20 camera few months ago (just some months before the model was discontinued). HS20 is a pretty good superzoom digital camera. It has a very long zoom lens and good macro properties. I have taken many of the photos posted recently to this blog using this camera. To take good macro photographs →