ePanorama.net
All about electronics and circuit design
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 →
An Internet meme (/ˈmiːm/ MEEM) is an idea, style or action which spreads, often as mimicry, from person to person via the Internet, as with imitating the concept. What Is a ‘Meme’? What Are Examples of Modern Internet Memes? and The 100 Greatest Internet Memes of All Time articles will give you some examples. Know →
This post is a continuation to my Old media and digital media – part 1 posting that discussed on the changes on the traditional publishing business field. This posting is part of my series of Journalism and media postings. Paywalls A paywall is a system that prevents Internet users from accessing webpage content without a →
Sniffing and Decoding NRF24L01+ and Bluetooth LE Packets For Under $30 article points to an interesting hack: able to decode NRF24L01+ and Bluetooth Low Energy protocols using RTL-SDR (=a cheap USB digital TV tuner based digital radio). So cheap practicality anyone can obtain the equipment quickly. Some special hacking was needed because there are →