I bought USB Virtual 7.1 Channel External Sound Card Adapter to build a cheap PC based digital storage oscilloscope. Sound card based oscilloscope is not new to me, I have used it sometimes. There are many free oscilloscope software that you can use. For example “zeitnitz” is a very fine program! Using an external USB →
Given the schematic for a simple circuit, make it a real circuit with the base components, some conductive thread, and a 3D printer. No solder, no etching chemicals, no sending away for anything. 3D-Printed Circuit Boards, for solder-free printable electronics Instructable is to serve as the how-to guide for a 3D-printed electronic circuit library implemented →
I got CYPRESS SEMICONDUCTOR – CY3269N – KIT, STARTER, LIGHTING DEMO from Farnell for testing. CY3269N Lighting Starter Demonstration Kit is designed to showcase two Cypress technologies: EZ-Color High Brightness LED Controller (tunable white light control, color mixing) and CapSense (capacitive touch sensing). Data sheet says that this kit illustrates how an intuitive GUI lets →
Star Wars Day: May the 4th be with you article tells that 35 years ago in a galaxy far, far away, Star Wars was about to hit theaters on May 25, 1977… Fast forward and fans have unofficially dubbed May 4 as Star Wars Day, terming “May the 4th be with you” as its slogan →
Power over Ethernet (PoE) offers convenience, flexibility, and enhanced management capabilities by enabling power to be delivered over the same CAT5 cabling as data. This technology is especially useful for powering IP telephones, wireless LAN access points, cameras with pan tilt and zoom (PTZ), remote Ethernet switches, embedded computers, thin clients and LCDs. The original →
Here are some article pointers that reveal some details of Google data centers: What It’s Like At Google’s Hyper-Secure Data Centers Super-Secret Google Builds Servers in the Dark Google cools data center with bathtubs, dishwashers … →
Television technology is developing rapidly. Consumers are just gaining access to the 3D TVs when the next disaster is already on the way. Maybe the next revolution is Super Resolution HD-TV. It seem stat we are entering post-fullHDTV resolution (1920×1080) era. Just few years ago full HD was considered the ultimate resolution that everybody were →
I bought some time ago a 119338 Dual Car Cigarette Sockets Power Adapter with USB Power Port – Black (DC 12~24V) to replace the power adapter in the car that started failing. In hoped this product would fix the situation, but it turned out this was not a good fix. The specifications on the web →
TV business is not booming anymore as it used to be. Last year TV makers lost more money than ever before. And things do not seem to be getting better in sales. U.S. Flat Panel TV Shipments to Decline for First Time Ever in 2012 article tells that demand for flat-screen televisions in the U.S. →
The ZX Spectrum is 30 years old. Sinclair ZX Spectrum 30th Anniversary is today. Happy birthday Spec. ZX Spectrum, the microcomputer launched in 1982 by Sinclair Research (Cambridge, UK) is seen by many today as the inspiration for a generation of eager young programmers, software and game designers in the UK. It has inspired many →