The increased pace of design and product activity in the weeks leading up to ESC DESIGN West is a good indicator that high tech job prospects may be improving. Maybe it is time to update your resume so it's ready for any job opportunities that might arise. For some help, be sure to read “Selling yourself” by Jack Ganssle.
In the conclusion of a four part series, the authors of “Ad hoc wireless networks,” look at the remaining challenges in wireless sensor network design relating energy efficient hardware design, synchronization, transport layer protocols and real time communications.
In the first of a four part series on implementation of wireless sensor networks, the authors of “Ad hoc wireless networks,” lay out the issues and challenges involved in the design of two different types of network architectures, layered and clustered.
In the second in a four part series on implementation of wireless sensor networks. the authors of “Ad hoc wireless networks,” discuss the various protocols required for reliable and fast data dissemination.
In the third of a four part series on implementation of wireless sensor networks, the authors of “Ad hoc wireless networks,” go into detail about the techniques needed in the sensor nodes to discover their location and the specialized MAC protocols that need to be developed or modified.
The author describes several common low power operating profiles and how they can be used to optimize a MCU's operation to meet specific system requirements. He also explains the tradeoffs involved with each, using a special battery life estimator.
Anders Guldahl of Energy Micro describes the energy cost of implementing functions in software and how changes in the distribution of responsibilities between hardware and software reduce that cost. As there is a wide range of sensing interfaces on the market, dedicated sensing logic units that are geared to a particular sensor may not be useful. The author explains how more generic needs can be catered for by making it possible to extract relatively complex processing from software and embed it in hardware designed for low energy consumption.
The challenge consists in developing a system to remotely access research-quality wind tunnels to conduct real-time, hands-on experiments with tight, closed-loop control.
Simple circuit consists of a transmitter/receiver pair that functions as an automobile antitheft alert system. When the vehicle leaves the area, this circuit sounds an alarm because the distance between the transmitter and receiver increases and the received power level falls below a predetermined threshold.
With modern semiconductor technology, it is not difficult to design a controller that measures the ambient light level and controls lighting in a preset way.
When implementing a firewall, engineers must consider the services provided by the device to determine the appropriate type of filtering, as well as choose among commercial, open-source, or custom firewall solutions. Regardless of the approach selected, it is critical to include a firewall to protect the devices making up The Internet of Things.
Engineer's Bookshelf Airport fiction blows. A look at books other engineers are reading and why you should read them, too. Recommend and write a review yourself. E-mail Brian Fuller.
Jack Ganssle's Bookshelf A list of book reviews by Jack Ganssle, contributing technical editor of Embedded Systems Design and Embedded.com.
Max's Cool Beans Clive “Max” Maxfield, the editor on Programmable Logic DesignLine, often writes about interesting books.
TargetLink 3.3 is the new version of dSPACE's production code generator, providing expanded features for AUTOSAR-compliant development of electronic control units and supporting the latest AUTOSAR standards 4.0 and 3.2.
Microchip Technology Inc. has launched a new family of 8-bit microcontrollers (MCUs) featuring next-generation analog and digital peripherals, which the company is touting as ideal for general-purpose applications, as well as battery charging, LED lighting, ballast-control, power-conversion and system-control applications.
Atmel Corporation has introduced Atmel Studio 6, the latest version of its integrated development environment (IDE) that now supports both Atmel 32-bit ARM Cortex-M series processor-based and Atmel 8/32-bit AVR-based microcontrollers (MCUs).
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