Verifying Code Readout Protection Claims

Think Like an Attacker How do you verify the security of microcontrollers? MCU manufacturers often make big claims, but sometimes it is in your best interest to verify them yourself. In this article, Colin discusses a few threats against code … Continue reading

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EMC Analysis During PCB Layout

Catch Issues Earlier If your electronic product design fails EMC compliance testing for its target market, that product can’t be sold. That’s why EMC analysis is such an important step. In this article, Craig shows how implementing EMC analysis during … Continue reading

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Op Amp Design Techniques

Analog Adventures Op amps can play useful roles in circuit designs linking the real analog world to microcontrollers. Stuart shares techniques for using op amps and related devices like comparators to optimize your designs and improve precision. By Stuart Ball … Continue reading

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Wireless Standards and Solutions for IoT

Protocol Choices Abound One of the critical enabling technologies making the Internet-of-Things possible is the set of well-established wireless standards that allow movement of data to and from low-power edge devices. These standards are being implemented in a variety of … Continue reading

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BLDC Fan Current

Motors and Measurements Today’s small fans and blowers depend on brushless DC (BLDC) motor technology for their operation. Here, Ed explains how these seemingly simple devices are actually quite complex when you measure them in action. By Ed Nisley The … Continue reading

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Passive Infrared Sensors

Homing in on Heat One way to make sure that the lights get turned off when you leave a room is to use Passive Infrared (PIR) sensors. Jeff examines the science and technology behind PIR sensors. He then details how … Continue reading

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PCB Design Tools Evolve to Next Level

More Smarts, Wider Scope PCB design tools and methods continue to evolve as they race to keep pace with faster, highly integrated electronics. Automated, rules-based chip placement is getting more sophisticated and tools are addressing the broader picture of the … Continue reading

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Gesture Recognition in a Boxing Glove

Sensors Packed in the Punch Learn how these two Boston University graduate students built a gesture-detection wearable that acts as a building block for a larger fitness telemetry system. Using a Linux-based Gumstix Verdex, the wearable couples an inertial measurement … Continue reading

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Accelerometers Revisited

MEMS and More In his March article, George reviewed the major aspects of acceleration, along with its measurement and the design fundamentals of the sensors known as accelerometers. Here, he expands on the topic exploring the electronics portion of accelerometers … Continue reading

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Quick Prototyping Solutions

PCB Makers Up Their Game Today’s embedded systems engineers have a rich variety of PCB quick prototyping resources to get their designs up and running. The PCB production and assembly vendors listed here feature lots of powerful online quoting tools, … Continue reading

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Stepper Motor Back EMF

Supply Voltage vs. Current Control Continuing with the topic of stepper motors, this time Ed looks at back electromotive force (EMF) and its effects. He examines the relationship between running stepper motors at high speeds and power supply voltage requirements. … Continue reading

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Drones Tap a Variety of Video Solutions

Eyes in the Skies In one way or another, much of today’s commercial drone development revolves around video. Technology options range from single-chip solutions to complex networked arrays. By Jeff Child, Editor-in-Chief Commercial drones represent one of the most dynamic, … Continue reading

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Device Silences TV Commercials

Arduino-Controlled Solution Ever wish you could block out those annoying TV ads? Tommy describes in detail how he built a device for easily muting the audio of commercials. His project relies on three modules: a UHF radio receiver, an IR … Continue reading

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Displays Fit Diverse Embedded System Needs

Many Sizes and Solutions The types of displays available for embedded applications are as diverse as embedded applications themselves. Whether your requirement is for small, smart, rugged or rain-proof, there’s probably a display solution that suits your system design needs. … Continue reading

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Component Tolerance

Accuracy Unmasked We take for granted sometimes that the tolerances of our electronic components fit the needs of our designs. In this article, Robert takes a deep look into the subject of tolerances, using the simple resistor as an example. … Continue reading

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