What do you do when your micro-controller project runs out of horsepower? Well you increase the power in a way or another, like increasing clock speed (maybe up to over-clocking) or change to a faster processor family. What to do when your Arduino Uno isn’t fast enough? The UNO Overdrive article shows The Uno/Dumilanove Overdrive, →
The international backbone of Internet is largely based on a network submarine fiber optic cables. There are lots of them. TeleGeography’s free interactive Submarine Cable Map is based on Global Bandwidth research, and depicts active and planned submarine cable systems and their landing stations. Selecting a cable on the map projection provides access to the cable’s →
It seem that you are almost always leaking some information without you knowing about them. Tracking the users is the invisible business that funds the web. Also spies target ‘leaky’ phone apps because they transmit users’ private information across the Internet. Also photos can reveal more information that you can see with your eyes. Your →
Think back: you’ve just dumped a bin of LEGO® bricks onto the floor with a satisfying crash, and you have the whole day ahead of you to build whatever you want. There’s something pretty amazing about being able to piece together your ideas with just a collection of colorful bricks. Google has released an interesting Build →
Richard Stallman, the father of open source software movement, is going to give two speeches in Finland in February. If you are into open source software, then it might be a good idea to check if you can listen to those talks. Dr. Richard Stallman launched the free software movement in 1983 and started the →
Linux Journal has an interesting article series on building redundant systems out of Raspberry Pis. Even though an individual Raspberry Pi is not that redundant, two Pis configured as redundant systems are. Two Pi R articled describes how to set up two Raspberry Pis as a fault-tolerant file server using the GlusterFS clustered filesystem. It →
New York Times, Guardian and ProPublic have reported that Spy Agencies Probe Angry Birds and Other Apps for Personal Data. In their globe-spanning surveillance for terrorism suspects and other targets, the National Security Agency and its British counterpart have been trying to exploit a basic byproduct of modern telecommunications: With each new generation of mobile →
3x Battery Teardown article shows you what is inside different batteries. So if you open up a 9 V battery, you find 6 thin 1.5 V cells inside. But what was inside that lantern battery, the rechargeable PP3, or the funny shaped lump on the back of my laptop? Check 3x Battery Teardown article to see. If you →
This posting is part of my series of Journalism and media postings that try to cover the changing field of media business. Aggregation economy Business Insider vs. Digiday: One man’s aggregation is another man’s traffic hijacking article talks on practices some call it aggregation, while others call it copyright infringement or even theft. Plagiarism. Copyright →
The Rise, Fall, and Rise of Electronics Kits is an interesting article mentions that many older engineers first became interested in electronics through hobbies in their youth—assembling kits, participating in amateur radio, or engaging in other experiments. The 1970s and 1980s were great times for electronics hobbyists. But whenever it seems that there’s nothing left →