ePanorama.net

All about electronics and circuit design

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

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

Class D amplifier module

A class-D amplifier or switching amplifier is an electronic amplifier where all power devices (usually MOSFETs) are operated as binary switches. They are either fully on or fully off. The term “class D” is sometimes misunderstood as meaning a “digital” amplifier. While some class D amps may indeed be controlled by digital circuits, the class

War on DIY Electronics

Is electronics heading to be less and less hackable? DIY site iFixit has been keeping tabs on the tech world whilst providing handy self-repair guides for popular electronics. Now the site maintainers have seen trend that electronics products seem to become intentionally harder and harder to fix in recent years. The New MacBook Pro: Unfixable,