Selling products whose design anyone can access, edit, or use on their own is pretty crazy. It’s also good business according to 13 Open Source Hardware Companies Making $1 Million or More (video) article. The article mentions thirteen companies with million dollar revenues from open source hardware (OSHW).Companies providing OSHW allow all designs of the →
URL Encoding is used when placing text in a query string to avoid it being confused with the URL itself. It is normally used when the browser sends form data to a web server. URL Encoding replaces spaces with “+” signs, and unsafe ASCII characters with “%” followed by their hex equivalent. The URLEncode and →
Power Quality and Utilisation Guide is a free on-line reference source for power quality information. It provides both background theory and solutions from electrical power industry. The guide is prepared by specialist authors from industry and academia, and edited by Copper Development Association‘s David Chapman. The Guide is organized into 8 sections and presented in →
MUST SEE!: LEGO Mindstorm Pirate Movie is a little movie made using nothing by LEGO Mindstorm NXT sets and LEGO blocks. It is amazing. The movie is only 2:20 long, and the rest of the video shows you what’s behind the curtain. I think this could be one of the best Lego buildings on youtube. →
Internet is usually a goldmine of all technical information, but there’s not much on the internet about the rpm rotation sensor and it’s specification. CPU Cooling Fan Tachometer standards tries to fill this gap. It page describes a little about the tachometer or rpm rotation sensor and it’s electronics. CPU fan pinout page gives the →
Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It’s intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments. So very interesting stuff.. The microcontroller on the board is programmed using the Arduino programming language and the Arduino development environment. Arduino programming environment is lean →
I have written a lot of on electret microphone connections on my Powering microphones document. Here are some additions to my documents on electret microphones I found at SANKEN Basis of Wiring Method web page. The first circuit diagram shows the traditional “2 wire” method of wiring an electret capsule. Practically all electrets I have →
Some days ago read Things Every Electrical Engineer Should Know about EMC slide set by Todd H. Hubing Michelin Professor of Vehicular Electronics Clemson University. I must say that it is an interesting slide set to check. It is a short 25 slide set that introduces EMC fundamentals and ground loops. Here is one fact →
Can you have too many LEDs on one lighting system? Hard to say. For reference take a look at this video of Smack Nightclub’s amazing LED lightshow. This looks pretty awesome even on the video. This is definately not for those people with motion sickness or can feel sick near flashing lights. I am just →
Could humans be infected by computer viruses? press release tells that a scientist at the University of Reading has become the first person in the world to be infected by a computer virus. A high-end Radio Frequency Identification (RFID) chip was implanted into Dr Gasson’s left hand last year. “Our research shows that implantable technology →