Embedded Security Tips (CC 25th Anniversary Preview)
CC board1

Every few days we you a sneak peek at some of the exciting content that will run in Circuit Cellar‘s Anniversary issue, which is scheduled to be available in early 2013. You’ve read about Ed Nisley’s essay on his most … Continue reading

One-Time Passwords from Your Watch
Photo 1—The Texas Instruments eZ430 Chronos watch displays a unique code that enables logging into Google Gmail. The code is derived from the current time and a secret value embedded in the watch.

Passwords establish the identity of a user, and they are an essential component of modern information technology. In this article, I describe one-time passwords: passwords that you use once and then never again. Because they’re used only once, you don’t … Continue reading

CC264: Plan, Construct, and Secure
John Breitenbach's DIY leak-monitoring system

Circuit Cellar July 2012 features innovative ideas for embedded design projects, handy design tips with real-world examples, and essential information on embedded design planning and security. A particularly interesting topic covered in this issue is the microcontroller-based home control systems … Continue reading

Issue 259: On Working in the Cloud
Steve Ciarcia Image

In the February issue of Circuit Cellar, Steve Ciarcia contemplates the topic of business in the cloud in his Priority Interrupt editorial. It’s a topic you must address at some point, whether you’re a professional electrical engineer, programmer, tech team leader, … Continue reading