The basics of control theory
Design How-To 8/16/2010 8 comments
In this first of a three part series, robotics pioneer John Holland provides a brief tutorial on the basics of the proportional, integral and derivative (PID) algorithms and their effective use in many robotic, machine and industrial control applications. Part 1: Classical control theory.
Use powerline communication and Bluetooth for a smart home
Design How-To 8/13/2010 4 comments
Here's a case for the use of a mixed system, whereby existing electrical wiring and outlets are used as the medium for data communication within the home. The user interacts with the system wirelessly via a Bluetooth-enabled device, and an adapter serves as the bridge between the two networking technologies.
GM's CEO steps down
News & Analysis 8/12/2010 2 comments
General Motors said that Edward Whitacre will step down as chief executive on Sept. 1, 2010, and as chairman.
An Intro to Networking - Part IV
Design How-To 8/12/2010 Post a comment
Networking is a new concept for many embedded engineers. The goal of this book, therefore, is to provide a bridge that spans from basic concepts to how to add networking functionality to an embedded design. This chapter provides a quick introduction to networking protocols and then moves rapidly to a discussion on TCP/IP over Ethernet, today's preferred network technology combo with the widest usage in terms of the number of devices and applications. Here is the final segment of Chapter 2.
Avago drops share offering
News & Analysis 8/11/2010 Post a comment
Avago has agreed with its principal controlling shareholder to withdraw the proposed secondary offering to the public of 24,840,000 ordinary shares.
Avnet reports record sales
News & Analysis 8/11/2010 1 comment
Electronics distributor Avnet reported record sales of $5.21 billion for the quarter ended July 3, besting consensus analyst expectations for revenue and profit.
Throughput enhancements boost 802.11n MAC efficiency--Part I
Design How-To 8/10/2010 3 comments
At the highest rates proposed for the 802.11n PHY, the legacy MAC efficiency would fall to a dismal 15%--negating almost all of the gains for applications. Here's how improvements were achieved with frame aggregation schemes, improved cumulative acknowledgment and medium access rules and other changes made the difference.
Hynix ramps 26-nm NAND chips
News & Analysis 8/10/2010 1 comment
South Korea's Hynix Semiconductor Inc. said that it has begun mass producing 64-gigabit NAND flash chips using 20-nm class technology at its 300-mm fab, dubbed M11.
E+E launches new wireless sensors for humigity, temp, and CO2
Product News 8/10/2010 Post a comment
Engerwitzdorf, Austria - EE240 wireless sensors from E+E Elektronik are designed for high quality, wireless measurement of humidity, temperature or CO2. Up to three intelligent probes can be connected to each transmitter, but each probe operates independently and can be hot swapped.
TI seeks to soar with Eagle core
News & Analysis 8/9/2010 3 comments
Texas Instruments Inc. claims that it will be the first licensee for ARM Holdings plc’s next-generation Cortex-A series processor core, codenamed Eagle.