Archive for November 2012

Apple iPad Mini and iPad 4 Teardowns

Since its introduction of the iPad nearly two and a half years ago, Apple has held onto the lion’s share of the tablet market. Welcoming the son of iPad–introducing the iPad Mini article tells that with the 7-inch market growing at an exponential rate, it was only a matter of time before Apple would address

Open 7400 Logic Competition

The Open 7400 Logic Competition has brought awareness to open hardware and software, and fosters understanding of the building blocks of modern integrated circuits. What can you build with basic logic chips? 7400 Logic Competition winners are announced According to competition results page all the entries were amazing! There are quite a few of them.

Patent battles

I have been following news around patents lately. I have followed what happens on patent field because I am an inventor that has made some patents and being referenced on some other. The patent situation seem to be quite insane right now, especially on smartphone field. I can agree the comment Patent law is a

Networking Cheat Sheets Cheat Sheets page has the best collection of networking cheat sheets I have seen. If you’re doing anything network related, these are definitely good to have on-hand. This is absolutely fantastic set of cheat-sheets. You can find here cheat sheets for example for many protocols, common ports, sub-netting, tcpdump options and Wireshark filters.

Heat shrink tubing

Heat-shrink tubing can be thought of as the duct tape for electrical wiring on the factory floor. Can you name all of its uses? Think of heat-shrink tubing as the duct tape for electrical wiring on the factory floor. It can be used for preventive maintenance to avoid problems, and it is a wonderful tool

PCB material for RF

Is plain old FR-4 PCB material suitable for use in RF designs? Many say no, fewer say yes – who’s right? What PCB material do I need to use for RF? article tries to answer this question. It says that FR-4 can be suitable for many RF designs. This is not to say that FR-4

PCB grounding

Board-level designers often have concerns about the proper way to handle grounding for integrated circuits (ICs) which have separate analog and digital grounds. Should the two be completely separate and never touch? Should they connect at a single point with cuts in the ground plane to enforce this single point or “Mecca” ground? How can