EU Chews on Web Cookies article tells on Europe’s effort to regulate online “cookies”. The effort to regulate online “cookies” is crumbling, exposing how tough it is to curb the practice of tracking Internet users’ movements on the Web. EU officials see themselves as leaders on consumer-safety issues. European Union last year passed a law →
Sometimes when browsing web I stumble onto huge trends that I’ve never even heard of before. Japanese virtual pop diva Hatsune Miku is one such thing. Hatsune Miku is a virtual singing avatar that you can purchase for your PC and program to play any song you create. That’s nothing very special nowadays. But what →
A Ham’s Guide to RFI, Ferrites, Baluns, and Audio Interfacing is an interesting tutorial on understanding and solving RF interference problems. To solve interference problems, we must understand them. The document describes many EMC issues well. Almost all RFI problems we describe as “RF in the shack” have pin 1 problems as their root cause! →
The <canvas> element is a part of the HTML5 Standards specification and allows for dynamic scriptable rendering of 2D graphics. Canvas Pad demo allows you to play with the Canvas element! Update the provided example source code in your browser and press the ‘Ctrl+Enter’ key to update the Canvas real-time! The demo page is made →
DeviceGuru reports that A Lego Mindstorms robotics kit controlled by an HTC Nexus One smartphone successfully untangled a Rubik’s Cube puzzle in 12.5 seconds at this week’s ARM developer conference in Silicon Valley. ARM principal engineer David Gilday masterminded the robotic Rubik’s Cube demo. Here’s a YouTube video showing Gilday demonstrating his latest 3x3x3 cube-solver. →
John’s Entertainment Technology Blog has an interesting series of postings related infra-sound (sounds lower in frequency you can hear): Gravesend Inn-frasound: Subsonic Show Business article says that 19Hz standing air wave may under certain conditions create sensory phenomena suggestive of a ghost. Gravesend Inn-frasound: The Experiment tells about a psychological experiment made on the effects →
Gold on HIFI connectors is quite much talked about subject. This article tries to give some information on gold planted connectors so you could decide case by case if they are good idea to use or not. Gold connectors are very much hyped on cable advertisements. Gold is equated with being expensive so having something →
Let us count the ways these modern marvels of technology drive us bonkers, day after day. Fifteen Consumer Electronics Design Mistakes article shows how thing have gone wrong. Avoid making those and similar mistakes on your own designs. →
If you’ve ever had a problem getting two chips to talk, or wanted to reverse engineer a protocol, a logic analyzer is the right tool for this. Logic analyzer only detects digital high and low digital states, it records many signals simultaneously and allows to dump data to a computer for analysis. Logic analyzers can →
Solid-state-lighting applications are quickly moving into the mainstream. Testing the driver circuit using LEDs, although easy, yields only typical results. Accurately simulate an LED article shows a circuit that you can use to test your LED drive circuit with worst-case LED parameters. You can easily tune this one transistor test circuit for any LED voltage. →