ePanorama.net

All about electronics and circuit design

Four Chord Song

Four chords is all you need for very many pop songs. Axis of Awesome – 4 Four Chord Song (with song titles) video shows an Australian comedy group ‘Axis Of Awesome’ perform a sketch from the 2009 Melbourne International Comedy Festival. This song performance proves that all you need to be a pop star is

Boeing 787 and Lithium Ion battery failure

There has been articles telling that Boeing 787 planes are grounded over safety concerns in USA. The Federal Aviation Administration has ordered U.S. airlines to stop operating the Boeing 787, after a series of battery and fuel system failures have called into question the airworthiness of the newly developed composite aircraft. Japan’s two biggest airlines

Great people died in 2012

At year 2011 we saw the passing of many of the electronics and computer industry’s greatest engineers and inventors. Several electronics great electronics inventors and related people died in year 2012. Here is my list of people that I have seen mentioned on different news sources: Hans Camenzind was Swiss emigre analog guru who invented

Aftermath: Electronics 2012

I wrote in the beginning of the year 2012 a blog article Electronics technologies for 2012 that tried to predict trends for year 2012. Now when year 2013 has started here is my aftermath how well my article predicted last year. So here are my comments on how well the predictions went. I use symbol

Aftermath: Telecom 2012

I wrote in the beginning of the year 2012 a blog article Telecom trends for 2012 that tried to predict trends for year 2012. Now when year 2013 has started here is my aftermath how well my article predicted last year. So here are my comments on how well the predictions went. I use symbol

Aftermath: Computer technologies 2012

This is aftermath how well the predictions in my Computer technologies for 2012 went. The following predictions were right: ARM processor becomes more and more popular during year 2012. The rivalry between ARM and Intel in this arena is predictably intense Windows 8 Release Expected in 2012 article says that Windows 8 will be with

Electronics in cold weather

Yesterday the temperatures were at -28 degrees Celsius in southern Finland. That’s really cold. This is so cold that is starts to cause problems in all sorts of devices. I had problems in starting my car. The battery felt weak. I planned to measure the voltage in it with a multimeter I have in my

Data center backbone design

Cells vs. packets: What’s best in the cloud computing data center? article from few years back tells that resource constrained data centers cannot waste anything on their way to efficiency. One important piece on this is right communications technology between different parts of data center. In the late 1990s and early 2000s, proprietary switch fabrics

Funny LED video

Show agency presents Funny Led video is a Funny LED video to start 2013. Two LED displays and two actors is all you need to be astonished. In the second half of the video actors do some rather cool things with LEDs—especially the piano, trumpets and x-ray.

ESR meters

One way to test electrolytic capacitors is to measure their capacitance. It does not tell the whole story of capacitor condition. Another usually more useful way to measure electrolytic capacitor condition is to use an ESR meter. EEVblog #365 – ESR Meter Bad Cap Monitor Repair video gives you tips how to use ESR meter