Tyco Electronics has an interesting application note named Relay Contact Life. The Relay Contact Life document outlines the basics of relay contact selecting, properties of different contact material and strategies for protecting relay contacts. There is no such thing as a universal relay contact. Relay contacts are available in a variety of metals and alloys, →
A new ePanorama.net main index page is now on-line. The new index page tries to fit all the most often needed links in the one web browser screen without need to scroll the page. The new page contains a daily changing picture element. That picture element is often a photograph on more or less electronics →
RIAA Misfires, Grazes PCMag.com article points that the music industry has gone off the deep end. The RIAA and other music industry organizations have spent the better part of the decade fighting the digital transition, with only a shrinking business to show for. It’s time for these music execs to pull their collective heads out →
There are almost as many opinions on how to meter and monitor audio signals as there are audio engineers. There are several standards on audio signal level metering. PrimaLED has made a nice chart World audio level scales & calibration that compares them to each other (click picture to see it bigger size). It also →
The challenge of protecting today’s systems from transient threats is more complex than ever before. As semiconductor manufacturers introduce new wireline transmission devices built on smaller CMOS geometries, more circuit protection challenges are emerging. CommsDesign article System level transient voltage protection–Five in-depth answers to ESD questions gives answers to important questions that can ensure that →
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. →