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Sensors

Carolyn Mathas
Editor
This site that gives a sense of what’s happening in the world of sensor technology and helps designers to stay current with new trends, good technological ideas, novel materials, and products. Optimum and robust design ideas combined with innovative techniques showing how-to-interface and condition sensor outputs are some of the areas explored. Mathematical aspects of sensor accuracy, temperature, and linearization tracking and correction are some of the many and varied areas to be explored.

Fairchild acquisition of Xsens

I was not too impressed with all the talk I’ve heard but not much action---until now—Learning of the Xsens acquisition significantly reinforces my faith in Fairchild’s MEMS and sensor offerings and is in tune with what they have been promising. Read More...

Sensing Elements for Current Measurements, Part 3 of 3

The fundamentals to translating the analog world into the digital domain reduces to a handful of basic parameters. Voltage, current and frequency are electrical parameters that describe most of the analog world. Read More...

Lower power and cost for Android device motion sensing using mCube’s iGyro

While the gyro enhances user experience, the cost, power consumption and board space required limits applicability to only the most expensive mobile devices. Not any more. Read More...

LabVIEW real-time seismic alert system

National Instrument’s LabVIEW has uses beyond instrument control, as demonstrated by this Web app. Read More...

Act fast to harness and optimize MEMS performance in portables

Starting to use MEMS technology in portable applications including wearables, healthcare, gaming or automotive? If so, tune in on Thursday, June 26 at 2:00 pm ET to catch Optimizing MEMS Performance in Portable Applications. Read More...

BAW gyroscope sensors transform inertial MEMS apps

BAW technology is being used to develop a new class of solid-state MEMS gyroscopes that not only meet power, size, cost, and high volume production requirements exceedingly well, but also add higher performance to the mix. Read More...

Sensing elements for current measurements, Part 2 of 3

This write up is part two of a three part series (Part one can be seen here) that discusses different types of current sensing elements. Read More...

Sensing Elements for Current Measurements, Part 1 of 3

Sensing elements for current: Sense Resistors Read More...

Finding Malaysian Flight MH370: Deep sea electronics search challenges

In the aftermath of the Flight MH370 tragedy, there is an urgent need to know what happened and how electronics technology is being improved to better locate missing aircraft or sea-going vessels. Read More...

Implement haptics in touch-based user interfaces

Transitioning from mechanical buttons, knobs, and dials to a capacitive touch interface poses a challenge to designers because there is no tactile feedback present with capacitive touch sensors as exists with mechanical buttons and switches. Here’s a solution. Read More...

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Inductively sense workpieces of any material

Create an inductive switch using the LDC1000 to replace mechanical switches in dirty environments. Read More...

Ferromagnetic soldering iron control

Utilize a basic materials property to sense and control soldering iron temperature. Read More...

Construction metal imager

Build up an image of inductively sensed, hidden metal using the software equivalent of a long time exposure! Read More...

Elastomer-assisted inductive sensing

Embedding inductive coils under an off-the-shelf mattress pad creates a multi-point position and pressure sensing system for sleep-posture analysis. Robotic applications also beckon. Read More...

Seismometer and structural vibration meter

Use a TI LDC1000 as a sub-micron displacement sensor for vibration measurement and logging in seismic and structural mechanics applications. Read More...

Beehive scale uses inductive sensing

A spring scale for measuring honey production senses weight inductively. Read More...

LTC Design Note: Measure RH with instrumentation-grade system monitor

An accurate, modern system monitor chip senses humidity the old-fashioned way. Read More...

Inductively sense aircraft engine valve position

Aircraft engine designers are conservative by nature, but here's a way to improve performance anyway. Read More...

Music keyboard inductively senses position & velocity

Technologies to measure key position, pressure, and velocity go back almost a century. Now, an inductive sensing IC offers another solution. Read More...

Thermowell vibration monitor

Use TI's unique inductance-to-digital converter to sense potentially dangerous vibration in thermowell sensors. Read More...

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MEMS altitude pressure sensor detects 50-cm changes

A highly-accurate absolute pressure sensor from Omron Electronic Components Europe can detect height differences of as little as 50cm. Read More...

Smartphone Quick-Jack solution adapts 3.5mm audio jack into self-powered data port, universal interface

NXP Semiconductors has introduced a Smartphone Quick-Jack Solution that simplifies connecting a variety of external devices to smartphones for self-powered data communications. Read More...

Nanopower magnetoresistive sensor ICs cut costs

Honeywell has introduced a nanopower anisotropic magnetoresistive sensor IC providing position detection based on magnetic field sensing, using a very small and low-cost package with on-chip integration of level detection and switching. Read More...

Ambient light, color and proximity sensing in one chip

The ams TMD3782 digital sensor is optimized for use in mobile devices, the 3.9x2.4x1.4mm module combines ambient light, color and proximity sensing. Read More...

Alps offers digital environmental sensor families

Alps Electric Co. Ltd. has developed ranges of humidity and pressure sensors for use in smartphones and other mobile devices. Read More...

Akustica’s MEMS microphones for smartphones and wearables

Akustica added four new high-performance analog microphones to its high definition (HD) voice product line, including the AKU346, the industry’s smallest MEMS microphone to achieve 64dB SNR. Read More...

Current transducers measure to 25A, in PCB-mount format

LEM has added to its range a series of open-loop Hall-effect ASIC based devices measuring up to 25A DC, AC or pulsed Read More...

Self-encrypting drive wipes itself out if breached

Toshiba's MQ01ABUxxxBW series of self-encrypting drives automatically erases data when an HDD is accessed by an unregistered system. Read More...

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Thermometer measures temperature without contact

The Melexis infrared thermometer makes it safe to measure the surface temperatures of hot, hazardous, or hard-to-reach objects without having to physically touch them. Read More...

Christmas toys: Paper Jamz guitar relies on printed electrodes and connectors

Pry inside a toy electronic guitar that provides a surprisingly good approximation of an electric guitar. Read More...

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Lower power and cost for Android device motion sensing using mCube’s iGyro

While the gyro enhances user experience, the cost, power consumption and board space required limits applicability to only the most expensive mobile devices. Not any more. Read More...

BAW gyroscope sensors transform inertial MEMS apps

BAW technology is being used to develop a new class of solid-state MEMS gyroscopes that not only meet power, size, cost, and high volume production requirements exceedingly well, but also add higher performance to the mix. Read More...

Implement haptics in touch-based user interfaces

Transitioning from mechanical buttons, knobs, and dials to a capacitive touch interface poses a challenge to designers because there is no tactile feedback present with capacitive touch sensors as exists with mechanical buttons and switches. Here’s a solution. Read More...

Implement a stepper motor driver for smart gauges—Part III

In this final part of the article, we’ll cover implementing motor control in a SoC with attention to key points to keep in mind. Read More...

Crystal Oscillator Fundamentals and Operation—Part IV

In this segment, we continue our discussion on the remaining specifications such as startup time, crystal overtone and spurious modes. Read More...

Crystal Oscillator Fundamentals and Operation—Part III

In Part III the discussion moves to a look at the various parameters associated with crystal oscillators and their impact on the end system design. Read More...

Semiconductor Reliability and Quality Assurance--Failure Mode, Mechanism and Analysis (FMMEA)

This article introduces how to implement FMMEA in detail, including system definition, identification of potential failure modes, analysis of failure cause, failure mechanism, and failure effect analysis. Read More...

Design and optimize electrodes for projected capacitive sensors

This article presents a circuit model combined with a cross-components influence to model the physics in projected capacitive sensors. The model predicts the unique response characteristic of the electrodes successfully, and a set of design guides for optimizing the performance is derived from it. Read More...

Crystal Oscillator Fundamentals and Operation—Part II

In Part I of this article series, we discussed the basics of oscillation and gave an overview of different types of oscillators. In Part II, we’ll cover in detail the working of a crystal oscillator and different parameters associated with its operation. Read More...

Getting to know the IoT

It’s time to take in some education on the Internet of Things. Read More...

Watching software defined networking take hold

SDN is being touted as a disruptive technology that will, once implemented, allow corporations to lower IT costs and be more responsive and flexible. Read More...

Perspective from MWC: Movea’s motion processing play

Movea’s team sat down with EDN to talk about its roadmap and how its sensor hub architecture fits within a number of market segments catching attention at the Mobile World Congress. Read More...

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Fairchild acquisition of Xsens

I was not too impressed with all the talk I’ve heard but not much action---until now—Learning of the Xsens acquisition significantly reinforces my faith in Fairchild’s MEMS and sensor offerings and is in tune with what they have been promising. Read More...

Act fast to harness and optimize MEMS performance in portables

Starting to use MEMS technology in portable applications including wearables, healthcare, gaming or automotive? If so, tune in on Thursday, June 26 at 2:00 pm ET to catch Optimizing MEMS Performance in Portable Applications. Read More...

MEMS altitude pressure sensor detects 50-cm changes

A highly-accurate absolute pressure sensor from Omron Electronic Components Europe can detect height differences of as little as 50cm. Read More...

UVLEDs’ improved AlN substrate helps deliver longer life, cleaner spectrum for scientific & industrial instruments

Crystal IS says that the properties of their proprietary native Aluminum Nitride (AIN) substrate allows them to create UVC LED structures which provide a precise, energy-efficient light source that can be used in a wide variety of spectroscopic equipment, including analytical and life sciences instrumentation, as well as environmental monitoring. Read More...

Product How-to: An inflexion point for energy harvesting and the Internet of Things is nigh

Portable power designers continue to demand more power in their products to support increased functionality and they want to charge the battery from any available power source. Read More...

Top ten MEMS microphone vendors ranked

Knowles made nearly $500 million of packaged MEMS microphone sales in 2013 and dominates a supply chain that focuses on keeping Apple and Samsung happy. Read More...

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