Software safety by the numbers
by Jeff Payne
When it comes to safety, it's not what you do, but how you do it. The IEC 61508 standard outlines how safety-critical projects should be managed and how to locate, and create, safety-critical code.

Home networking with Zigbee
by Mikhail Galeev
Will Bluetooth, ZigBee, and 802.11 all have a place in your home? Here's what ZigBee offers for home wireless networking.

Abstracting device-driver development
by Steve Finseth
An abstraction layer makes a convenient interface between device drivers and I/O hardware.

Programmer's Toolbox
A root-finding algorithm
by Jack Crenshaw
Crenshaw offers up “The New and Improved World's Best Root Finder” and he's got the code to prove it.

Break Points
Solving switch bounce problems
by Jack G. Ganssle
No chaste unblemished logic signals these; a scope will show the contacts torturously bouncing before settling into a stable state.

Programming Pointers
How to enforce write-only access
by Dan Saks
Classes in C++ can impose semantic constraints on data, turning potential run-time errors into compile-time errors.

#include
Think inside the box
by Jim Turley
A few years ago people would have called it “the changing of the guard”; now we say “regime change.” Whatever you call it, Embedded Systems Programming is in the capable hands of new Editor in Chief Jim Turley.