Medical

Michael Dunn
Editor, Design Ideas, IC/FPGA, PCB, and Medical Design Centres
This site is especially for the savvy biomedical electronics design engineer who wants to be at the forefront of medical technology advancements from sensors to signal conditioning circuitry to data converters, microcontroller and interfaces and more. Wireless communication and wireless data transfer are among the key topics of discussion.

Optogenetics uses LEDs to turn on potential cures

Ongoing research explores the use of LEDs to shed light on the treatment of a variety of medical conditions. Read More...

Pulse oximeter and heart rate integrated sensor module aids wearable designs

The MAX30102 is low power, operating on a single 1.8V supply with a separate 5V supply for the internal LEDs, and small footprint so it can be integrated into wearables. Read More...

4 reasons Fitbit is being sued for inaccurate heart-rate monitors

There are at least four reasons Fitbit was just hit with a class-action lawsuit over the inaccuracy of its Charge HR and Surge heart-rate monitors. Oddly, it has almost nothing to do with engineering, design, or software. Read More...

IoT Security Spartans wanted

Security Spartans are needed for connected IoT medical devices. Superheroes are also welcome. Read More...

IoT can save billions: The power of one percent

A wirelessly connected Internet will lead to massive economic gains Read More...

Galvanic skin response stimulates wearable electronics

A fast growing market in the health and fitness arena is the wearable device, which monitors with GSR to accurately predict cardiovascular dynamics. Read More...

Wearables as second galvanic skins

Maxim Integrated utilizes Galvanic Skin Response design and other innovations to move wearables from consumer gizmos to advanced health and fitness devices. Read More...

8 wearables beyond the Fitbit for health and fitness

Bluetooth, algorithms, accelerometers, gyroscopes, and more make these 8 wearables work for health and fitness. Read More...

Teardown: A fitness tracker that drives chip demand

Smart fitness band? Smart watch? Microsoft's first-generation wearable includes an abundance of ICs and associated capabilities that make it a combination of both. Read More...

Are you reliable?

What are your feelings towards designing in product reliability? Read More...

NASA medical expertise helps Earthlings

NASA Glenn Research Center in Cleveland, Ohio has perhaps the most contributions to people here on Earth related to medical technology. Utilization of the International Space Station to conduct research and validate technology is a cornerstone of this competency. Read More...

Optical heart-rate measurement’s top 5 challenges

Before releasing your latest wearable into the world, be sure you’ve validated its heart-rate measurement function against these five challenges. Read More...

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...

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...

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...

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...

AC/DC supplies offer medical-safety certification

Single-output and dual-output AC/DC power supplies in the MPM-40Mx series from MicroPower Direct deliver 40 W of output power. Read More...

What's next for wearables?

Wearables have the power to transform the world around us - to interact on our behalf with other 'smart' devices that are increasingly common. Read More...

Wireless subretinal implant holds promise for the visually impaired

French company Pixium Vision has successfully tested an implant that may one day enable its users to surpass the United States’ legal standard for blindness. 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...

Nonvolatile memory resists gamma radiation

Using only one contact to simplify implementations in small, disposable medical sensors, the DS28E80 1-Wire EEPROM from Maxim Integrated Products resists gamma radiation of up to 75 kGy (kiloGray), allowing OEMs to calibrate a consumable medical sensor and to monitor or control unsanitary reuse of medical disposables. 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...

>> SEE ALL

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...

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...

Simplified kurtosis computation detects signal interference

The statistical kurtosis operation, reinterpreted and implemented on an FPGA for this Design Idea, can detect various forms of interference in RF and other signals. Read More...

Schmitt trigger adapts its own thresholds

If you need to condition a widely-varying signal, a simple Schmitt won’t work, but this DI will. Read More...

Avago Tech Note: 5MBd Digital optocouplers targeting low power/low supply voltage applications

Digital optocouplers provide high voltage insulation and noise rejection for data transmission, with very low power usage. Read More...

Series-connected MOSFETs increase voltage & power handling

A constant-current charger for a high-energy capacitor bank uses multiple MOSFETs to increase voltage and power-handling capabilities. Read More...

Circuit discriminates & recovers noisy pulses

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

Simple pulse oximetry for wearable monitor

Use this circuit as the “heart” of a pulse oximeter and oxygen saturation monitor. Read More...

Avago Tech Note: 14.2mm wide Creepage and clearance optocouplers for high-voltage applications

Not any optocoupler will do for applications requiring extra-high-voltage isolation. Read More...

Inductive sensing with left-handed antenna for biomedical applications

Could an inductive sensor help assay biological and other substances? 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...

Water & vandal-proof keypad uses piezoelectric disc as sensor and buzzer

An ingenious and low-cost method to create a rugged “UI”. Read More...

Linearize thermistors with new formula

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

Best Design Ideas of 2013Q3

We present the best Design Ideas of the last quarter! Read More...

Single-cycle logarithms & antilogs

Here are some very fast log (and antilog) blocks well-suited to FPGA implementation. Read More...

Adaptive Schmitt trigger tames unruly signals

Some biomedical, sensor, and other signals can be almost impossible to derive a clean trigger from. This circuit could help. Read More...

∑-∆ Isolation amplifier transfers low frequencies across barrier

Running a ∑-∆ stream over the barrier makes for an inexpensive analog isolator. Read More...

Filter quashes 60-Hz interference

This circuit filters 60-Hz interference from low-frequency, low-level signals. Read More...

Quartz crystal-based remote thermometer features direct Celsius readout

Although quartz crystals have served as temperature sensors, designers haven't taken advantage of the technology because few manufacturers offer the sensors as standard products. Read More...

>> SEE ALL

Wireless charger-receiver fits tiny hearing aids

Linear Technology’s LTC4123 combines a 30-mW wireless receiver with a constant-current/constant-voltage linear charger for NiMH batteries. Read More...

AVX rolls out medical-grade microchip capacitors

The T4C series HRC4000 capacitors from AVX are intended for both implantable, non-life-threatening and non-implantable life-support devices. Read More...

Mini displacement sensors need little room

Inelta IZAL series inductive displacement sensors fit into highly confined spaces for use in medical, industrial, and military applications. Read More...

Medical power supplies deliver 350 W

Requiring no external airflow, TDK-Lambda’s CUS350M AC/DC power supplies carry both medical and ITE certifications with a BF rating. Read More...

AC/DC supplies offer medical-safety certification

Single-output and dual-output AC/DC power supplies in the MPM-40Mx series from MicroPower Direct deliver 40 W of output power. Read More...

Security controller simplifies design and product protection

The Optiga Trust E provides a turnkey approach to product security by simplifying authentication. Read More...

Nonvolatile memory resists gamma radiation

Using only one contact to simplify implementations in small, disposable medical sensors, the DS28E80 1-Wire EEPROM from Maxim Integrated Products resists gamma radiation of up to 75 kGy (kiloGray), allowing OEMs to calibrate a consumable medical sensor and to monitor or control unsanitary reuse of medical disposables. Read More...

165-W external supplies carry medical certification

Housed in vent-free enclosures with dimensions of 170x85x44 mm, AC/DC adapter power supplies in the DTM165 series from TDK-Lambda furnish 160 W to 165 W of power for use in hospital and healthcare applications, including diagnostic and monitoring equipment. Read More...

Dev kit enables functional safety exploration

Targeting industrial and medical safety-critical designers, this low-cost development kit features the Hercules safety processor. Read More...

Noncontact sensors monitor respiration and movement

Novelda offers two noncontact sensor modules—one for monitoring respiration and the other for detecting human presence at a range of up to several meters— for use in home automation, sleep monitoring, baby monitoring, and elderly care applications. Read More...

LEDs battle ebola and climate change while boosting the economy

This week's Semi-Coherent Emissions top story: The LED lighting industry's performance provides compelling evidence that strong economic growth and high environmental quality aren't mutually-exclusive. Read More...

MCUs bring high-performance graphics to IoT devices

Leveraging STMicroelectronics’ Chrom-ART Accelerator and a MIPI Display Serial Interface (DSI), the STM32F469/479 series of microcontroller chips delivers smart phone-like graphics and intuitive user interfaces to wearable devices, smart appliances, and other Internet of Things applications. Read More...

30-W medical supplies occupy small footprint

XP Power offers the EML30 series of 30-W single-output AC/DC power supplies—open-frame, board-mount units that have dimensions of 2.96x1.36x1.05 in. (75.2x34.6x26.7 mm) to achieve a power density of 7.1 W per cubic inch. Read More...

Wearable sensor measures UV index

The latest addition to STMicroelectronics’ portfolio of environmental sensors, the UVIS25 provides a direct digital output of UVI (ultraviolet index)—the international measurement of the strength of ultraviolet radiation, primarily from the sun, at a given place and time. Read More...

Swimmers’ heads-up display delivers real-time feedback

Mounted on any pair of swim goggles, a heads-up display monitor from Instabeat tracks, stores, and projects key information, including heart rate and swimming speed, on the goggle lens to give swimmers real-time feedback of their performance. Read More...

Power-entry module affords Class II protection

A compact power-entry module with a built-in line filter, the DC12 from Schurter, meets the IEC 60601-1-11 safety standard for home healthcare equipment to minimize the risks for at-home users. Read More...

EDN Hot 100 products of 2014

Of the many thousands of products announced during the past year, these are 100 that especially caught the attention of our editors and our readers. Read More...

Micro DC/DC converters fit wearable devices

With a 6-MHz power switch embedded in its miniature PCB, the TDK EPCOS B30000P80 ultra-compact DC/DC converter module saves up to 35% of space compared to conventional discrete solutions for use in wearable devices and cameras, as well as WLAN, GPS, and Bluetooth applications. Read More...

Tiny piezoelectric sounder fits portable healthcare devices

With dimensions of just 9x9x1.7 mm, the lightweight PKMCS0909E4000-R1 surface-mount piezoelectric sounder from Murata offers a combined weight and area reduction of 44% compared to previous Murata sound components. Read More...

Wearable MEMS gyroscope tracks up to ±4000 dps

Housed in a 3x3x0.75-mm QFN package, the ITG-3701 three-axis MEMS gyroscope from InvenSense offers small size, low power, and a full-scale range of up to ±4000 dps (degrees per second) for high-impact wearable applications, such as sports and concussion analysis. Read More...

Processor integrates sensing, wireless for wearable apps

Toshiba's TZ1001MBG application processor is aimed at wearable devices of all shapes and usages, including activity monitors, wrist-worn electronics and head-mounted computers. Read More...

Disposable and rugged BP sensor

Merit's BP sensor uses piezoresistive technology. Read More...

Ada comes to ARM Linux

Ada support is now available on embedded ARM processors running Linux for safety critical code development. Read More...

V-Lock compatible power connector integrates 10A fuses

Schurter’s KEA series power entry module, with 1- or 2-pole fuseholder, now mates with V-Lock cord sets. Read More...

Renata shrinks size of Li-ion polymer batteries

The Renata Batteries division of the Swatch Group has added three new models to its ICP series of rechargeable lithium-ion polymer battery packs to give design engineers more form factors and capacity ratings from which to choose for their portable medical, industrial, and consumer electronic devices. Read More...

Mission-critical RTOS available for Renesas MCUs

The Wittenstein High Integrity Systems real-time operating system for mission-critical systems is now available for Renesas RX631/RX63N microcontrollers. Read More...

Digital UV index sensors add health monitoring to smartphones, wearables

Silicon Labs' single-chip Si1132/4x optical sensors track UV exposure, ambient light and other biometrics to add health-monitoring functions to smartphones and wearable computing products. Read More...

12-V, 750-mA DC/DC nano-size buck regulator

With a pre-set switching frequency of 2.1 MHz, designers will really like the small surface mount capacitors and inductor external to this tiny buck regulator. Read More...

PSU packs 310W without skimping on MTBF

Emerson PSU rated for non-patient contact and industrial usage. Read More...

60W world medical PSU is fully burned-in

Australian firm Powerbox manufactures for the domestic and world market. Read More...

Chip amalgamates many functions needed for healthcare devices

This combination data acquisition chip and computational engine addresses the requirements of health devices, fitness meters, wearable monitors, and more. Read More...

60W medical PSU fits into small spaces

SL Power's newest internal PSU fits into tight spaces, like a 1U chassis. Read More...

Medical USB modem

When the only way to communicate medical data is via phone line, a modem is still the solution. Read More...

Transformers work with TI power driver for isolated supplies

Wurth Electronics Midcom offers a series of four transformers for the Texas Instruments SN6501 oscillator/power driver, a push-pull device that is intended for small-form–factor isolated power supplies used in CAN, RS-232, RS-485, SPI, I2C, and low-power LAN interface applications. Read More...

A gaggle of ultrasound components

Supertex introduces a trio of chips for ultrasound designs. Read More...

External medical PSU reaches 250W

This new external, medical qualified supply sports high power output. Read More...

Medical PSUs up to 500W are compact and efficient

Qualified open-frame medical supplies cover 300-500W. Read More...

Medical LED improves operating-room lighting

The Osram Ostar Medical combines a high color-rendering index (CRI) of 95 and the ability to adjust the temperature of the color white. Read More...

DSP-based system-on-chip targets hearing aids and hearing implant devices

ON Semiconductor's Ezairo 7100 series of integrated circuits and packaged hybrids are aimed at hearing aids and hearing implant devices. Read More...

Ultrasound transceiver is highly integrated

Maxim's new octal ultrasound transceiver greatly simplifies equipment design. Read More...

TI unveils smallest 2.5-kVrms digital isolation devices

Texas Instruments (TI) has introduced the industry’s first family of digital isolation devices to offer the highest isolation rating, at 2.5 kVrms, in a small, 5- by 6-mm QSOP package. Read More...

75W supply provides dual BF & CF outputs

BEAR's latest medical supply has BF & CF outputs. Read More...

Medical PSU reaches 180W

XP Power's latest approved power supplies are rated 180W. Read More...

Analog Devices 5 Msps 18-Bit SAR ADC

SAR converters seem to be pushing the envelope due to digitally enhanced analog circuitry, higher number of transistors per chip and better matching capability on chip---these are some reasons why SAR converters are achieving higher dynamic ranges and speeds than ever before. Read More...

85W external medical PSUs meet latest standards

Protek's latest external supplies are suited to medical uses. Read More...

Flexible conformal coating meets ISO 10993-5

A conformal coating that's flexible enough for flex circuits. Read More...

Sensor-enabled RFID tags extend wireless data-logging beyond ID

ams AG has introduced next-generation sensor-enabled RFID tags which claim to offer breakthroughs for medical, automotive safety and other applications where temperature, physiological or environmental data is required. Read More...

Medical-grade chip capacitors are surge-tested

Surface-mount molded solid-tantalum capacitors in the TM3 series from Vishay aim to improve performance and reliability in a wide variety of non-life-support medical monitoring and diagnostic instruments for both in-home and hospital use. Read More...

CUI high isolation, 105 degrees C DC-DC converters

CUI Inc introduced a family of low-power board mount dc-dc converters that provides 3,000 Vdc I/O isolation and a wide operating temperature range of -40~105°C. Read More...

TI introduces SafeTI Compiler Qualification Kit to ease functional safety development for automotive and medical

Designers of functional safety applications can use the kit to assist in qualifying their use of the TI ARM Compiler to IEC 61508 and ISO 26262 functional safety standards. Read More...

COTO claims RedRock is industry’s smallest MEMS magnetic reed switch

Coto Technology Inc., announced at the Design West Conference the availability of its RedRock™ RS1-A-2515 MEMS-based magnetic reed switch. Based on its unique high aspect ratio, MEMS design and manufacturing processes, the switch provides all of the advantages of conventional magnetic reed switch technology, including zero power operation and high-power hot switching. Read More...

Grayhill’s Instinct 2.0 gesture recognition library for 3D image manipulation

Grayhill, Inc. released the latest version of its Instinct™ Gesture Recognition Library. Instinct is a software tool that converts multi-touch sensor data into gestures, giving any device functionality similar to the iPhone®. Read More...

Freescale Healthcare AFE reference platform

Freescale’s Healthcare AFE reference platform is able to integrate a full set of solutions for portable medical and personal healthcare applications. Read More...

Compact low profile “green” 225 W power supply for IT, industrial and medical applications

XP Power announced the ECP225 series of efficient low profile AC-DC power supplies. Delivering up to 150 W by convection cooling alone, the units deliver a maximum of 225 W when a forced air flow of only 10 CFM is applied. Read More...

Cephasonics ultrasound API software version 3.0

API incorporates multiple features based on user feedback that simplify end-product development Read More...

365W AC/DC single-output power supply for ITE and medical

LHV Power Corporation (www.lhvpower.com) has added an AC/DC single-output power supply series that provide up to 365 watts of continuous power at typical efficiencies of 90 percent. The LVOM-365 series is for use in medical equipment and ITE switching applications and has received full medical, ITE, EN60601-1 and EMC safety approvals. Read More...

Vocia 1.5 for voice evacuation and public address systems

Biamp Systems, a provider of networked media systems, announced the launch of five new products in its Vocia 1.5 release. Read More...

Low-noise, energy-efficient chokes for MRI scanners

SMP Sintermetalle Prometheus (SMP) has developed chokes for use in Magnetic Resonance Imaging (MRI). These inductive components are exceptionally quiet in operation as well as being low-loss and energy-efficient. Read More...

High-density single output 160W AC/DC medical power supplies

LHV Power Corporation introduced a family of ultra high-density AC/DC single output power supplies that provide up to 160 watts of continuous power at typical efficiencies of 90 percent. Read More...

Non-magnetic combination D-subminiature connectors for medical imaging equipment

CONEC, a manufacturer of high-quality connectors, has developed a series of non-magnetic combination D-subminiature connectors for advanced medical imaging equipment. Read More...

>> SEE ALL

Teardown: A fitness tracker that drives chip demand

Smart fitness band? Smart watch? Microsoft's first-generation wearable includes an abundance of ICs and associated capabilities that make it a combination of both. Read More...

>> SEE ALL

Pulse oximeter and heart rate integrated sensor module aids wearable designs

The MAX30102 is low power, operating on a single 1.8V supply with a separate 5V supply for the internal LEDs, and small footprint so it can be integrated into wearables. Read More...

Galvanic skin response stimulates wearable electronics

A fast growing market in the health and fitness arena is the wearable device, which monitors with GSR to accurately predict cardiovascular dynamics. Read More...

Wearables as second galvanic skins

Maxim Integrated utilizes Galvanic Skin Response design and other innovations to move wearables from consumer gizmos to advanced health and fitness devices. Read More...

8 wearables beyond the Fitbit for health and fitness

Bluetooth, algorithms, accelerometers, gyroscopes, and more make these 8 wearables work for health and fitness. Read More...

μModule LED driver integrates all circuitry in a SMT package

Despite the clear advantages LEDs offer, their requirement for regulated voltage and current make LED driver circuits more complex than the venerable light bulb, but some new devices are closing the gap. Read More...

PCB future is lightweight, low-cost, and flexible: Product how-to

Low-cost flexible additively printed circuit “boards” are enabling new technologies and markets. Read More...

Powering LED Lighting & Other Illumination Devices: Part 3

This third installment of a multi-part series on design issues in LED lighting explores the capabilities of the LT3799, a high-power factor, self-isolated, TRIAC-compatible LED driver. It includes several practical examples of how these properties can be used to solve common design issues for LED applications in a simple, cost-effective manner. Read More...

Product how-to: Build your own designs on flexible circuit boards

Flexible PCBs are becoming low-cost and accessible even to hobbyists. Read More...

An insider's guide to designing near-eye displays

Carlos Lopez and Dan Morgan from Texas Instruments' DLP Pico Products group take an in-depth look at some of the top challenges for designing a compelling see-through near eye display solution that “seamlessly” blends the digital world with the physical world. Read More...

Integrating safety into connected medical devices

Using ARM virtualization modes to facilitate safe and secure code. Read More...

LEDs for liquid crystal display (LCD) backlighting – Part 1

The first installment of this two-part series introduces the types and structures of LED LCD backlight units. This is followed by a dive into the technological developments and market trends which are driving the evolution of LED displays. Read More...

LED-based sensors for wearable fitness tracking products

The surge in bio-sensing armbands, smartwatches, smartphones, and other fitness-oriented wearable products that employ optical sensing technologies would not have been possible without the dramatic reductions in cost and power brought by LEDs. Read More...

Improve device reliability via PCB cleanliness

Today’s electronic assemblies require better cleaning than ever to ensure reliability uncompromised by PCB contamination. Read More...

Product how-to: Achieving STARC and DO-254 compliance using HDL Coder-generated code

Learn how to transform models into standards-compliant, high-reliability HDL. Read More...

Cable material design criteria for the medical industry

This paper examines the particular design and fabrication challenges of medical cables, including the design parameters, material choices and manufacturing requirements that medical device manufacturers need to know to ensure that medical device interconnection is precise, reliable and durable – and protect them from liability. Read More...

Young ASU Tempe engineers saving the lives of infants

Every three minutes an infant dies needlessly in some remote African village, unnoticed by all except the mother, father, family and their small village. How can we save them? Read More...

Antenna ring-down time measurement for medical applications

Measure the ring-down time of antennas used in EPR & NMR. Read More...

Product how-to: Decimation and AC line rejection filtering – a study

Programmable SoCs allow the creation of an entire data acquisition system on a chip. Read More...

Product how-to: Selection of reliable, small form-factor passives for medical devices

Learn about some of the factors to consider when selecting tiny hybrid & PCB-capable passives for medical designs. Read More...

MSOs probe analog and digital

Mixed-signal oscilloscopes combine analog and digital inputs that provide a view of how signals interact in embedded systems. Read More...

>> SEE ALL

Optogenetics uses LEDs to turn on potential cures

Ongoing research explores the use of LEDs to shed light on the treatment of a variety of medical conditions. Read More...

10 Tips On Engineering Notebooks

Whether paper or electronic, here are some ideas for getting the most out of your engineering notebook. Read More...

Polygraph first used to convict criminals, February 2, 1935

On this day in tech history, Leonarde Keeler, co-inventor of the polygraph machine, first used his invention to help convict two criminals. Read More...

Spice up your Pi for IoT development

You can get a Raspberry Pi up and running as an IoT device in minutes with Cayenne. Hot stuff! Read More...

1000 sensors, one line, using optical fiber

Optical fibers can act as sensors all along their length, with the right illumination and signal processing. Read More...

Wireless charger-receiver fits tiny hearing aids

Linear Technology’s LTC4123 combines a 30-mW wireless receiver with a constant-current/constant-voltage linear charger for NiMH batteries. Read More...

Avoid these common MEMS failure mechanisms

MEMS adoption is on the rise, and knowing how they might fail is the first step in ensuring their reliability in a design. Read More...

X-ray machine is formally displayed, January 18, 1896

On this day in tech history, the X-ray machine was formally displayed after decades of work by several scientists and engineers, including Nikola Tesla. Read More...

AVX rolls out medical-grade microchip capacitors

The T4C series HRC4000 capacitors from AVX are intended for both implantable, non-life-threatening and non-implantable life-support devices. Read More...

Pulse oximeter and heart rate integrated sensor module aids wearable designs

The MAX30102 is low power, operating on a single 1.8V supply with a separate 5V supply for the internal LEDs, and small footprint so it can be integrated into wearables. Read More...

4 reasons Fitbit is being sued for inaccurate heart-rate monitors

There are at least four reasons Fitbit was just hit with a class-action lawsuit over the inaccuracy of its Charge HR and Surge heart-rate monitors. Oddly, it has almost nothing to do with engineering, design, or software. Read More...

Low-power Misfit wearable exposed at DesignCon 2016

The Shine 2 fitness and sleep tracker from Misfit goes under the knife at DesignCon next week as we almost criminally sacrifice a work of art in the irrepressible pursuit of knowledge. Read More...

Resolve embedded USB interoperability challenges

Embedded applications of USB are on the rise, but because teams are each implementing their own embedded solutions, interoperability can become an issue. Here are some issues and methods developers of an embedded USB host need to consider. Read More...

Mini displacement sensors need little room

Inelta IZAL series inductive displacement sensors fit into highly confined spaces for use in medical, industrial, and military applications. Read More...

Modernize your engineer's notebook

For today's engineering notebook, paper simply won't do. Read More...

IoT Gets Its Own Wi-Fi

A version of Wi-Fi tuned to the needs of low-power, low-cost, long range is one step closer to availability. Read More...

End-to-end IoT kits emerging

IoT designers started out needing to assemble all the system elements needed to support their devices, but end-to-end design solutions are emerging. Read More...

RTOS or bare metal - five decisive factors

Here are five factors to consider when deciding if an RTOS is the right answer for your next embedded design. Read More...

Secure updates for FPGA-based systems

Here are some things you can do to ensure a secure, reliable, and safe remote update to an FPGA-based embedded system. Read More...

Low-leakage supplies ensure patient safety

Part of Powerbox’s Medline family, the OFM30 series of 30-W AC/DC switching supplies keeps leakage current to less than 10 µA. Read More...

Buck regulators deliver up to 8 A

Five synchronous buck regulators from Intersil step-down 5-V rails to POL inputs as low as 0.6 V and provide continuous current of 3 A or 8 A. Read More...

Preserve design data and thinking for the long term

Maintaining and updating a product design is easier when the original design thinking is accessible under an appropriate data access strategy. Read More...

Low-power PIC MCUs eliminate external memory

Microchip has expanded its PIC microcontroller portfolio with the PIC24F GB6 family, which includes up to 1 Mbyte of flash memory with ECC. Read More...

IoT Security Spartans wanted

Security Spartans are needed for connected IoT medical devices. Superheroes are also welcome. Read More...

Boost converter slashes quiescent current

The LT8331 DC/DC converter from Linear Technology can be configured as a boost, SEPIC, flyback, or inverting converter. Read More...

>> SEE ALL

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