Circuit Cellar Ink 262
May 2012

Table of Contents

4


CJ Abate

HTML Task Manager

Advances in Measurement and Sensor Tech

10


CJ Abate

HTML New Product News

17


David Tweed

HTML Test Your EQ

11


Rob Dautel

The RL78 Green Energy Challenge Has Begun

Are You Ready to Shape the Future We Live In?

Green Energy ideas are rapidly changing our future, so what's your idea? Here's your opportunity to step into the light, present your Green Energy design to the world, and help create a future that's bright, clean, and healthy.

14


Petre Tzvetanov Petrov

Multilevel Audible Logical Probe

Testing, Troubleshooting, and Debugging

You can build a single-input, multilevel audible logical probe in fairly short order. The design detailed in this article is intended for checking equipment with transistor-transistor logic and CMOS integrated circuits or other technologies for installations powered from a 12-V car battery.

20


Matt Oppenheim

Audio-Enhanced Touch Sensors

Using a touch sensor, you can trigger audio tags on electronic devices. Here you learn how to couple capacitive-touch sensors with an Android device.

Download: Oppenheim-262.zip

Questions & Answers

30


Nan Price

On Being a Communications Specialist

An Interview with Lawrence Foltzer

From sonar systems to secure communications, Lawrence Foltzer has had a full career. In March, he described his background in fiber optic communication, telecommunications, and access control methods. We also discussed his interests in infrared communication, direct digital synthesis, and robot navigation.

34


Kyle Gilpin

The menU Universal Menu System

The menU system is a universal menu library designed as a multipurpose user interface for embedded systems. It enables you to navigate through a hierarchical set of menu items while both observing and modifying the parameters of an embedded design.

Download: Gilpin-262.zip

Embedded Unveiled

46


Richard Wotiz

Camera Image Stabilization

Image stabilization (IS) helps reduce blurriness that results from slight camera movements when shooting without a tripod. This article details several IS techniques as well as some cameras featuring different types of IS systems.

Download: Wotiz-262.zip

Embedded Security

52


Patrick Schaumont

One-Time Passwords from Your Watch

The benefit of a one-time password is that you don't have to remember it. You only need to use it once. This article describes how to implement one-time passwords with a Texas Instruments Chronos Watch and use them to log into existing web services.

Download: Schaumont-262.zip

The Consummate Engineer

60


George Novacek

Accelerated Testing

Testing is essential to projecting your product's reliability in the field. This article examines different types of testing, including accelerated life testing, stimulation as accelerated stress testing, and highly accelerated life testing.

Lessons from the Trenches

64


George Martin

Low-Power and Energy-Harvesting Applications

Low-power and energy-harvesting applications are becoming ubiquitous. This article discusses some emerging technologies and provides tips on how they can be integrated into your designs.

From the Bench

68


Jeff Bachiochi

SNAP to It

Part 2: SNAP Engine Versatility

With Synapse SNAP technology, you can easily and effectively run a wireless mesh network. This article details two machine-to-machine projects that highlight the SNAP engine's full potential.

76

Crossword Puzzle

79

Crossword Puzzle - Answers for Issue 261

80


Steve Ciarcia

HTML Priority Interrupt

Power to the People

FTP Directory for INK 262

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