Interconnect Defects (ICDs) Explained

Doug Trobough

What is an Interconnect Defect (ICD)? An ICD is a condition that can interfere with the internal circuit connections in a printed circuit board (PCB). These internal connections occur where the innerlayer circuit has a drilled hole put through it. … Continue reading






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Virtual Prototyping — The Future’s So Bright

Filip Thoen pic

Virtual prototyping has been making its appearance in the embedded software arena since the late 1990s, steadily gaining acceptance as a valuable software development target. It initially rode the wave of rapid advances in chip process technology, which enabled multiple … Continue reading






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The Future of Intelligent Robots

Mericli

Robots have been around for over half a century now, making constant progress in terms of their sophistication and intelligence levels, as well as their conceptual and literal closeness to humans. As they become smarter and more aware, it becomes … Continue reading






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Security Agents for Embedded Intrusion Detection

Marten van Dijk

Knowingly or unknowingly, we interact with hundreds of networked-embedded devices in our day-to-day lives such as mobile devices, electronic households, medical equipment, automobiles, media players, and many more. This increased dependence of our lives on the networked-embedded devices, nevertheless, has … Continue reading






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The Future of Flexible Circuitry

MarkFinstad

The flexible circuit market has been growing steadily for the last three decades. This trend will continue into the foreseeable future as flexible circuitry supports many of the same industries and many of the same applications that have been around … Continue reading






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The Future of Embedded Linux

david head shot-1

My first computer was a Cosmac Elf. My first “Desktop” was a $6,500 HeathKit H8. An Arduino today costs $3 and has more of nearly everything—except cost and size—and even my kids can program it. I became an embedded software … Continue reading






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Seven Engineers on the Future of Electrical Engineering

CC board1

The Circuit Cellar staff thought it would be interesting to kick off 2015 by asking several long-time contributors about the future of electrical engineering and embedded systems. Here we present the responses we received to the following questions: What are … Continue reading






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Data Center Power & Cost Management

Annie_Lane_Headshot

Computers drive progress in today’s world. Both individuals and industry depends on a spectrum of computing tools. Data centers are at the heart of many computational processes from communication to scientific analysis. They also consume over 3% of total power … Continue reading






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The World Is Analog

KingetTTF

The world we live in is analog. We are analog. Any inputs we can perceive are analog. For example, sounds are analog signals; they are continuous time and continuous value. Our ears listen to analog signals and we speak with … Continue reading






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The Future of Temperature-Compensated Crystal Oscillators

EsterlineFigure1

Most modern digital and analog electronic devices require a time base to perform their intended function. Found in everything from cell phones to smart munitions, quartz crystal oscillators are widely used in many embedded applications. Quartz resonators’ high Q, excellent … Continue reading






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The Future of 3-D Printed Electronics

Photo 1: 3-D PE demonstrator—Tank-filling sensor produced in the FKIA project funded by the Bavarian Research Foundation (Courtesy of Neotech AMT GmbH)

Three-dimensional printing technology is one of our industry’s most exciting innovations. And the promising field of 3-D printed electronics is poised to revolutionize the way engineers design and manufacture electrical systems for years to come. In the following essay, Dr. … Continue reading






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Self-Reconfiguring Robotic Systems & M-Blocks

Source: Kyle Gilpin

Self-reconfiguring robots are no longer science fiction. Researchers at MIT are rapidly innovating shape-shifting robotic systems. In the August 2014 issue of Circuit Cellar, MIT researcher Kyle Gilpin presents M-Blocks, which are 50-mm cubic modules capable of controlled self-reconfiguration. The … Continue reading






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Wearable Medical Computing and the Amulet Project

Dr. Vivian Genaro Motti

Health care is one of the most promising areas for employing wearable devices. Wearable mobile health sensors can track activities (e.g., count steps or caloric expenditure), monitor vital signs including heart rate and blood pressure, measure biometric data (e.g., glucose … Continue reading






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Bluetooth Low Energy Changes the “Wireless Landscape”

The Mooshimeter displays a car startup transient.

In 2010, the Bluetooth Special Interest Group (SIG) took Nokia’s existing Wibree standard and renamed it Bluetooth Low Energy (BLE). In doing so, it combined the latest in a series of evolutionary engineering improvements with brute-force market pressure to change … Continue reading






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The Future of Monolithically Integrated LED Arrays

A prototype emissive LED display chip is shown. The chip includes an emissive compass pattern ready to embed into new applications.

LEDs are ubiquitous in our electronic lives. They are widely used in notification lighting, flash photography, and light bulbs, to name a few. For displays, LEDs have been commercialized as backlights in televisions and projectors. However, their use in image … Continue reading






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