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.

EDN electronics exclusive: Orion lands safely in desert parachute tests

Work on the Orion spacecraft reveals NASA’s focus on astronaut safety using science, engineering, and technology. Read More...

Mirror, mirror on the wall

The Wize Mirror takes video and still images of a face, and uses algorithms to extract biometric data points including heart rate, hemoglobin levels, and blood oxygenation. Read More...

Biometric computing via skin and eyes advances

The ability to integrate eye tracking and wearable sensors that turn the human body into a touch sensitive surface will change how consumers use digital devices going forward. Read More...

NIWeek: Automated test systems

NIWeek 2015 was full of companies demonstrating ATE systems ranging from wireless to military to an all-in-one system. Read More...

LabVIEW 2015 makes productivity enhancements

National Instruments has made a long list of small enhancements that improve productivity when writing graphical code. Read More...

A first (lock) step into functional safety

You may not be involved in safety-related design now, but you probably will be. Time to start learning about functional safety design. Read More...

NI Week has the definitive answer to Deflate Gate

Indiana-based Ball systems has developed an automated system for inflating or deflating footballs, basketballs, and other sports balls. See Tom Brady smile and cry. Read More...

Product How-to: Integrated sensor interface Analog Front End simplifies sensor conditioning

Sensors are used in a variety of consumer and industrial markets from cell phones and tablets to precision detection, distance measurement, identification/image processing and process instrumentation applications Read More...

Fast, low-noise JFET amp is stable over temperature

This Design Idea combines the strong points of JFETs and CFAs to make a high-impedance amplifier that’s fast, stable over temperature, and quiet. Read More...

Sensor Ganging--Optimize Power in a Capacitive Sensing System—Part III

In this final segment, we will cover sensor ganging implementation and more techniques to optimize power consumption. Read More...

MEMS & self-assembled monolayers: Protecting and functionalizing next-gen devices

Self-assembled monolayer (SAM) molecular coatings have become an exciting route for surface modification in active electronic devices. Read More...

Troubleshoot errors in low-voltage measurements

You can often characterize sources of low voltage errors by conducting a variety of experiments with analog filters, digital filters, and integration while digitizing from the actual sensor, a dummy cable/resistor, and a grounded input. Read More...

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Software PLL syncs to line using moving-average filter

A software PLL with a jitter attenuator lends itself to AC-line filtering and many other applications. Read More...

Avago Tech Note: Strain sensing using optical phase interrogation technique with polymer optical fiber

Optical phase interrogation with polymer fiber offers an easy to handle and integrate strain sensing solution. Read More...

Rotational (or linear) measurement using an optical mouse sensor

A novel way to measure X-Y or rotational speed or position is presented in this Design Idea. Read More...

Antilog converter linearizes carbon dioxide sensor

Simplify gas sensor interface with some analog preprocessing. Read More...

Circuit discriminates & recovers noisy pulses

Noisy pulse trains with widely-varying amplitude are recovered with this DI circuit. Think transducers… Read More...

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...

Bed levelling for 3D printer

3rd prize winner in the TI LDC1000 design contest. Read More...

Linearize thermistors with new formula

Optimize thermistor performance at any preferred temperature. Read More...

Measure two resistive sensors or multiple switches with a single Schmitt

When an ADC is overkill, you can monitor two sensors or several contacts for every Schmitt trigger. Read More...

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LabVIEW 2015 makes productivity enhancements

National Instruments has made a long list of small enhancements that improve productivity when writing graphical code. Read More...

Interface IC calibrates sensor outputs

A 16:1 sensor-interface analog front-end IC, the XR10910 from Exar, connects multiple sensors and simplifies sensor conditioning. Read More...

Bluetooth temperature sensor works with smart phones

Based on the µBlue nRF8001 Bluetooth V4.0 low energy connectivity IC from Nordic Semiconductor, a temperature-sensing device from National Electronics & Watch Co. (NEWCO) enables low-cost temperature monitoring using a Bluetooth V4.0-compatible smart phone. Read More...

$49 Arduino-compatible board features enhanced Cortex M7 MCU

STMicro's Arduino-compatible STM32F7 Discovery Kit is an exciting development for DIY-ers interested in IoT applications. Read More...

SiTime uPower MEMS oscillator for wearables, IoT and mobile

SiTime Corporation recently announced a new family of µPower MEMS Oscillators for the wearable, IoT and mobile markets. Read More...

Modular data-acquisition system has isolated inputs

The SC-1608 series from Measurement Computing uses industry-standard 8B modules with Ethernet or USB communications. Read More...

IoT-ready smart lighting manager ICs feature multi-sensor support

Ams's new Smart lighting manager ICs support network-commanded dimming, daylighting and other basic smart lighting functions as well as an autonomous mode which only relies on a local or remote host for configuration and exception handling. Unlike most of their counterparts, they have highly-accurate built-in light sensors which enable precise daylighting, lumen maintenance, and in the case of the AS7221, color tuning. In addition, the same sub-$10 solution that drives the lighting system can also serve as a low-cost platform for many other Smart Building services. Read More...

Long-range ultrasonic sensors accurate at 6000 mm

The P43 Ultrasonic sensors by PIL target transportation, industrial and manufacturing applications where precise and highly accurate distance measurements are critical. 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...

Teardown: Wireless weather sensor transmitters

Out-of-box failure and a residence transition provided the analysis subjects for the last article in this series of weather station teardowns. 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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Sensor Ganging--Optimize Power in a Capacitive Sensing System—Part III

In this final segment, we will cover sensor ganging implementation and more techniques to optimize power consumption. Read More...

Sensor Ganging--Optimize Power in a Capacitive Sensing System—Part II

Here’s Part II of a 3-part series on sensor ganging. This segment includes a discussion on the trade-offs between response time and power consumption, as well as other issues resolved by a ganged sensor. Read More...

Sensor Ganging—Optimize power in a capacitive sensing system--Part I

Here’s how to optimize power consumption in a capacitive sensing system, utilizing sensor ganging with a capacitive sensing controller. Use cases of sensor ganging are covered. Read More...

Implement glove touch in capacitive touch user interfaces

Implementing glove touch on capacitive touch interfaces isn’t easy. Here are the primary challenges and how to overcome them. Read More...

Replace IR sensing with proximity detection

Proximity Detection using native characteristics of capacitive touch solutions can help reduce BOM, NRE, and manufacturing costs, and improve form factor and maximize profits. Here’s how. Read More...

Sensors combinations make for more intelligent mobile devices

Smartphones can be remarkably dumb. Learn how sensor combinations can bring about more intelligent mobile devices. Read More...

USB 3.0—Everything you need to know

Everything about USB 3.0 that you might not know, and are afraid to ask. Read More...

Build a low-cost logic design trainer

Want to set up a lab at home for your personal experiments? Read on. Read More...

Capacitive sensing improves wearable devices

Given the decreasing size of wearable technology, user interfaces as well as aesthetics get an improvement nudge with capacitive sensing. Here’s why. Read More...

Tips & Trends: Change (aka unscrambling IT, OT and IoT)

While this may at first blush look like an ad for a company—it speaks to a bigger issue and what will most likely become a trend. Does the footprint you’ve used for years still fit your IoT shoes? Probably not Read More...

Sensors lead the way in Mercedes-Benz future car

Automotive sensor technology is takes a giant stride forward in a futuristic luxury concept car that's part chauffeur, part lounge, and part entertainment theater. Read More...

Achieve tamper-proof capacitive sensing

Here is an approach that can reasonably detect when a system is being tampered with and halt the system, avoiding theft of secure data. Read More...

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Mirror, mirror on the wall

The Wize Mirror takes video and still images of a face, and uses algorithms to extract biometric data points including heart rate, hemoglobin levels, and blood oxygenation. Read More...

Consumer electronic sensor market to climb to $34.57 billion in next 7 years

Grand View Research estimates that the global market will reach $34.57 billion by 2022, with high-performance imaging, and applications like restore recognition, 3D mapping, and eye tracking driving the market. Read More...

Biometric computing via skin and eyes advances

The ability to integrate eye tracking and wearable sensors that turn the human body into a touch sensitive surface will change how consumers use digital devices going forward. Read More...

NIWeek: Automated test systems

NIWeek 2015 was full of companies demonstrating ATE systems ranging from wireless to military to an all-in-one system. Read More...

NI Week has the definitive answer to Deflate Gate

Indiana-based Ball systems has developed an automated system for inflating or deflating footballs, basketballs, and other sports balls. See Tom Brady smile and cry. Read More...

Gesture-controlled spiderbots understand and interpret motion

Not-so-itsy-bitsy spiders of the robotic kind helped Intel CEO Brian Krzanich demonstrate improvements in the company’s technology for wearables. Read More...

Handling Privacy and Security Concerns in the IoT: The Importance of Identity

This is the first in a three-part series on security and privacy related to the Identity of Things (IDoT). In the first part, we’ll take a look at the definitions and concepts of “identity” and the role it plays in tying users to their connected devices as they generate and store personalized data. Read More...

Cloud EDA & DAC 2015 wrap-up

A DAC 2015 product wrap-up, including more cloud-based EDA and advanced silicon enablement. Read More...

Bioresorbable electronics cap off DAC 2015

Though the last day of DAC is a bit of a winding down, it started with a remarkable keynote. Read More...

The technology of measuring distance and speed

Canadian company Leddar Tech has developed a technology for measuring the distance and speed of objects using pulsed infrared light. Senior Technical Editor Martin Rowe spoke with Leddar Tech's director of R&D to how the technology works. Read More...

In the Aisles of the Sensor Expo & Conference

Miss the Sensor Expo and Conference? Here’s just a few examples of what’s happening on the floor this week. Read More...

Which software automates your tests?

A poll on EE Times asks which of several software packages engineers use to automate tests. Tell us which you use. Read More...

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