The challenge of designing in-body communications by Ake Sivard, Peter Bradley, Peter Chadwick, and Henry Higgins How do you get data out of a human body? This fascinating article describes the power, durability, and RF challenges of designing an embedded system that “users” swallow.
Opto-electrical isolation of the I2 C-Bus by Steve Blozis The I2 C-bus is fabulously popular and successful as a low-cost way to attach chips together in small embedded systems. In some systems, though, these chips need to be opto-isolated to avoid damage from stray electrical current in harsh environments. This hands-on article shows how to isolate I2C devices without giving up the advantages of this popular bus.
The three Ps of value in selecting DSPs by Gene Frantz and Leon Adams The demand for DSPs has outstripped the supply of engineers and programmers who are familiar with them. Price, performance, and power are the first three criteria most developers evaluate. This high-level article walks you through the process of weighing and balancing these and other characteristics.
Programming Pointers Mapping memory efficiently by Dan Saks How you define pointers to memory-mapped device registers can have an impact on the efficiency of your device drivers.
Programmer's Toolbox How can they learn? by Jack Crenshaw Part Rube Goldberg, part Tinker Toys, Jack's retro toys are taught the basics of digital logic and computer programming in an unusual way.
Break Points The middle way by Jack G. Ganssle Engineering schedules are notoriously fickle, but Jack shows a proven technique for getting close to the truth.
#include Offshore tempest in a teapot by Jim Turley Offshoring is nothing new and nothing to be concerned about — unless it hits too close to home.
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