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Designing motion detection systems with PIR and ultrasonic sensors
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Advances in sensing technologies are increasing the functionality of devices in many industries including consumer, wearable devices, medical, industrial and automotive. Explore our resources to get technical expertise and stay up to date with sensor trends and sensing technology.

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Tesla plugged into charging station
How to Select Power Supplies for Medical Devices
By James Spencer   -   February 8, 2024
This article aims to assist in selecting the correct power supply for medical applications. It explains the main factors to consider in identifying the optimal power supply option and provides a brief overview.
A low angle photo of high rise office buildings
The growing role of sensors in modern building management systems
By Alessandro Mastellari   -   August 13, 2021
Today's intelligent buildings measure a multitude of building parameters. Here Alessandro Mastellari explores the sensing technologies employed to collect environmental data.
Avnet Abacus helps engineers to develop smart flow meters for monitoring water and gas consumption. Alan Jermyn, VP Marketing, looks at what’s driving demand for smart meters, how they work and how they’re built.
Taking flow measurement to the next level
By Alan Jermyn   -   October 25, 2019
Avnet Abacus helps engineers to develop smart flow meters for monitoring water and gas consumption. Alan Jermyn, VP Marketing, looks at what’s driving demand for smart meters, how they work and how they’re built.
There are two primary technologies used in detecting the presence of people, pyro-electric / passive infra-red (PIR) and ultrasonic. Alessandro Mastellari takes a look at how they differ and how they work.
PIR and ultrasonic sensors: What's the difference and how do they work?
By Alessandro Mastellari   -   October 21, 2019
There are two primary technologies used in detecting the presence of people, pyro-electric / passive infra-red (PIR) and ultrasonic. Alessandro Mastellari takes a look at how they differ and how they work.
How are the latest trends in sensing technology enabling the Industrial IoT, and how do you make the right choice for your installation?
Maximise your IIoT installation success by choosing the right sensors
July 19, 2019
How are the latest trends in sensing technology enabling the Industrial IoT, and how do you make the right choice for your installation?
With more and more applications combining data from multiple sensors, Alessandro Mastellari looks at how sensor fusion is being applied with pressure sensors.
How can combining different types of sensors result in more accurate data?
By Alessandro Mastellari   -   May 9, 2019
With more and more applications combining data from multiple sensors, Alessandro Mastellari looks at how sensor fusion is being applied with pressure sensors.
To give the electronic systems we design the ability to detect changes to what is around them we need analogue sensors. But the processing that sits behind those sensors is in almost every case going to be in the digital domain.
Pressure sensors: Why you should consider going digital
By Martin Keenan   -   May 9, 2019
To give the electronic systems we design the ability to detect changes to what is around them we need analogue sensors. But the processing that sits behind those sensors is in almost every case going to be in the digital domain.
In the second installment of our pressure sensor series Alessandro Mastellari explores how manufacturers are developing smaller and smaller devices.
Pressure sensor miniaturisation: How smaller sensors are enabling better healthcare
By Alessandro Mastellari   -   May 8, 2019
In the second installment of our pressure sensor series Alessandro Mastellari explores how manufacturers are developing smaller and smaller devices.
Pressure sensors became to automotive systems in the early 1990s, but as the rate of adoption of these components increases Martin Keenan investigates why.
What the growing pressure sensor market means for electronics
By Martin Keenan   -   May 8, 2019
Pressure sensors became to automotive systems in the early 1990s, but as the rate of adoption of these components increases Martin Keenan investigates why.
To mark International Women’s Day, we spoke to two female engineers at different points in their careers – one from the UK and one from Germany – to find out from them what their take is on being a woman in engineering
Women in engineering – where are we now?
By Lisa Rees   -   March 7, 2019
To mark International Women’s Day, we spoke to two female engineers at different points in their careers – one from the UK and one from Germany – to find out from them what their take is on being a woman in engineering and to learn more about t
And so electronica 2018 is over. In our final post, we look back on the best bits of day three.
From humanoids to holograms and humanity projects - How Avnet showcased the future at electronica
November 16, 2018
And so electronica 2018 is over. In our final post, we look back on the best bits of day three.
Another day at electronica 2018 has passed and it was arguably even busier than the first. A constant stream of customers and suppliers kept the atmosphere on the Avnet Abacus stand buzzing, and our schedule was packed full of great speakers and demo
electronica 2018 day two highlights
November 15, 2018
Another day at electronica 2018 has passed and it was arguably even busier than the first. A constant stream of customers and suppliers kept the atmosphere on the Avnet Abacus stand buzzing, and our schedule was packed full of great speakers and demo
On a crisp morning at Messe Munich there was an excited buzz around the exhibition centre as electronica 2018 opened its doors. Read what happened on day one.
electronica 2018 day one highlights
November 13, 2018
On a crisp morning at Messe Munich there was an excited buzz around the exhibition centre as electronica 2018 opened its doors. Read what happened on day one.
As electronica 2018 prepares to open its doors, here are three reasons you should visit Avnet Abacus on stand C5 101 this week.
3 reasons to visit Avnet Abacus at electronica 2018
November 12, 2018
As electronica 2018 prepares to open its doors, here are three reasons you should visit Avnet Abacus on stand C5 101 this week.
The passive infrared sensor (PIR) seems so familiar that it is easy to miss the many applications that exist for it and the subtleties of engineering that guide the best ways in which to use it.
Adapting PIR sensor technology to new applications
By Martin Keenan   -   February 7, 2018
The passive infrared sensor (PIR) seems so familiar that it is easy to miss the many applications that exist for it and the subtleties of engineering that guide the best ways in which to use it.
Giving machines the power of vision gives them the ability to interact with people in a much more natural way, but integrating this capability was previously a complex and difficult task.
I recognise that face: Machine vision with Omron's HVC
By Giovanna Monari   -   November 14, 2017
Giving machines the power of vision gives them the ability to interact with people in a much more natural way, but integrating this capability was previously a complex and difficult task.
Combining the data from multiple sensors can tell us a great deal more about the application environment than each sensor could on its own.
Sensor Fusion: The future of intelligent devices
By Martin Keenan   -   March 14, 2017
Combining the data from multiple sensors can tell us a great deal more about the application environment than each sensor could on its own.
When Murata purchased Finnish MEMS specialist VTI Technologies and renamed it Murata Electronics Oy at the start of 2012, it gained the company’s unique 3D MEMS technology which has outstanding performance and reliability in harsh environments.
Second Generation MEMS Enables Impressive Performance for Automotive and Industrial IMUs
By Adam Chidley   -   August 18, 2016
When Murata purchased Finnish MEMS specialist VTI Technologies and renamed it Murata Electronics Oy at the start of 2012, it gained the company’s unique 3D MEMS technology which has outstanding performance and reliability in harsh environments.
Industry 4.0 and the digitisation of the manufacturing sector will have repercussions for all sectors of industrial electronics.
Evolving component technologies will make Industry 4.0 viable
By Martin Keenan   -   May 22, 2016
Industry 4.0 and the digitisation of the manufacturing sector will have repercussions for all sectors of industrial electronics.
The Internet of Things (IoT) combines pervasive connectivity to control devices remotely with Big Data applications in The Cloud capable of organising vast quantities of information and extracting information hidden in the data to enable new services
The internet of medical things (IoMT) bringing better healthcare for all
By Martin Keenan   -   April 8, 2016
The Internet of Things (IoT) combines pervasive connectivity to control devices remotely with Big Data applications in The Cloud capable of organising vast quantities of information and extracting information hidden in the data to enable new services
How can MEMS pressure sensors help you keep fit? Well, they are now commonly being integrated into wearable activity monitors that help consumers track their daily activities and thereby monitor their fitness levels.
Accurate altitude measurements help keep you fit
By Mathias Goebel   -   October 20, 2015
How can MEMS pressure sensors help you keep fit? Well, they are now commonly being integrated into wearable activity monitors that help consumers track their daily activities and thereby monitor their fitness levels.
A growing pre-occupation with leading healthier life styles means that many of us are becoming much more sensitive to the environment around us, and in particular air quality.
How sensitivity to our environment is creating a growing market for air quality sensors
By Giovanna Monari   -   April 2, 2015
A growing pre-occupation with leading healthier life styles means that many of us are becoming much more sensitive to the environment around us, and in particular air quality.
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