Author Archive

Blog advertising

Blog Advertising has been a hot topic for some years. Online advertising offers three primary types of ads bloggers can use to make money from their blogs: Pay-per-click, Pay-per-impression and Pay-per-action. In addition to those classic web advertising some bloggers can get some compensation on writing for example review of product (free products to review

Lightning protection

Every summer we get thunderstorms, with the accompanying lightning in Finland. It is expected that thunderstorms starts in few days. Varo! Torstaina salamoi article says that it is expected that next Thursday there will be (according to weather forecast) 5000-10000 lightning discharge events in Finland. Lightning is a massive electrostatic discharge between electrically charged regions

Software-Defined Data Centers

Software defined seems to be the hype buzzword nowadays for many technology areas: We have Software-defined radio, Software-defined networking, Software defined storage and software-defined data center. Some days ago AllThingsD ran a piece endorsing the idea of the software-defined data center titled What Is the Software Defined Data Center and Why Is It Important? Slashdot

We Need a Fixer Movement?

You’ve heard about the “maker movement,” the geeks who’ve been rebooting America’s craft tradition. The same kind of movement is also happening in other countries, including Finland. Wired writes that We Need a Fixer (Not Just a Maker) Movement. We need to use our maker skills to something new: We need to apply those maker

Comparison of EDA software

Comparison of EDA software page has a nice comparison table of Electronic Design Automation (EDA) software. It list very many Free and Open Source Software (FOSS) that could be worth to take a look.

Ground Loop Tutorial

I was just pointed to a new interesting ground loop document few days ago. Ground Loop Tutorial is a tutorial on electrical interference with emphasis on ground loops. It distinguishes several different types of interference and discusses the underlying physics at a basic level. In the end there is a good list of Methods for

Raspberry Pi configured for media playback

Last weekend I finally turned my Raspberry Pi to media player appliance (IP TV STB) using Raspbmc. Raspberry Pi reaches critical mass as XBMC hardware so trying it out sounded a good idea. My main was to use Elisa Viihde service also with my Rasberry Pi connected to monitor (I already had set-top-box and I

Use your smartphone or tablet as signal analyzer

I just wrote how to Turn a Tablet into a Signal Generator. In addition to generating signals, a tablet can be used as audio signal analysis. Typically the only way to get sound into those tablets and smart phones is through built-in microphone, which can be limiting. Here are some Android software for audio signal

Turn a Tablet into a Signal Generator

Signal generators are a handy thing to have around the lab. In recent years these lab tools have not only decreased in size but also in cost and the result has been a plethora of portable versions that now exist on the market. In addition to full equipment it is nowadays possible to use a

Friday Fun: Photoshop Live

Advertisement with your own image, what the heck? Photoshop Live – Street Retouch Prank does that. Cool. Good idea and nice implementation. Is this the future of advertisement? In the video the people waiting for bus are immersed in the advertisement with help of image editing software and image editing artists. Victims of reactions ranging