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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IoT: From Gateway to Cloud

Starting Up, Scaling Up In this follow on to our March “IoT: From Device to Gateway” Special Feature, here we look at technologies and solutions for the gateway-to-cloud side of IoT. These solutions ease the way toward getting a cloud-connected … Continue reading

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Obsolescence-Proof Your UI (Part 1)

(Photo 1) Web Server Strategy After years of frustration dealing with graphical user interface technologies that go obsolete, Steve decided that web browser technology could help this problem. With that in mind, he built a web server that could perform … Continue reading

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Texting and IoT Embedded Devices (Part 1)

Fun with the ESP8266 SoC Can texting be leveraged for use in IoT Wi-Fi devices? Jeff has been using Wi-Fi widgets for a lot of IoT projects lately. This month Jeff lays the groundwork for describing a project that will … Continue reading

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IoT: From Device to Gateway

Modules for the Edge Connecting to the IoT edge requires highly integrated technology, blending wireless connectivity and intelligence. Feeding those needs, a variety of IoT modules have emerged that offer pre-certified solutions that are ready to use. By Jeff Child, … Continue reading

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Exploring the ESP32’s Peripheral Blocks

For IoT or Home Control What makes an embedded processor suitable as an IoT or home control device? Wi-Fi support is just part of the picture. Brian has done some Wi-Fi projects using the ESP32, so here he shares his … Continue reading

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Non-Standard SBCs Put Function Over Form

Compact, Low-Power Solutions A rich set of single board computer products fall into the non-standards-based category. These SBCs offer complete embedded computing solutions suited for applications were reducing size, weight and power are the priorities. By Jeff Child,  Editor-in-Chief While … Continue reading

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Money Sorting Machines (Part 3)

Bill Validation In this final article of his money sorting machine series, Jeff wraps up his coin sorting project and examines how a bill validator can tell one bill’s denomination from another. By Jeff Bachiochi Most of us connect Ben … Continue reading

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