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What’s the difference between network security and physical security?

April 12, 2022 By Randy Frank

Network security involves software and computer-based hardware/firmware to provide access to the authorized and restrict access to the unauthorized. In contrast, physical or brick and mortar security starts with sensors and, if the security system is connected to the internet, it also requires the same network security measures. Protecting a residence, commercial building or an […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Pressure Sensor, Sensor Fusion Tagged With: infineon technologies

How are sensors improving maritime navigation?

April 7, 2022 By Jeff Shepard

Of course, GPS is important, but radar and the automatic identification system (AIS) use various sensors to track and report on ship positions in real-time. Sensor fusion is being developed for autonomous shipping. And there are hydrophones combined with other sensors and artificial intelligence (AI) and machine learning (ML) to identify and track whale movements […]

Filed Under: Featured, Frequently Asked Question (FAQ), GPS (Global Positioning System), Inertial Measurement Unit (IMU), Other, RADAR/LiDAR, Sensor Fusion, Sensor Fusion Tagged With: FAQ

What sensors do you need to land on the moon?

April 6, 2022 By Jeff Shepard

NASA is developing several sensor systems and algorithms for use on Artemis moon landings. It’s called the Safe and Precise Landing – Integrated Capabilities Evolution (SPLICE) technology suite. It consists of three primary elements: An inertial measurement unit (IMU) and a camera for terrain relative navigation. Second is Doppler LiDAR to determine the lander’s velocity […]

Filed Under: Aerospace, depth sensors, Distance, Electrical sensing, Featured, fiber optic, Frequently Asked Question (FAQ), Inertial Measurement Unit (IMU), Inertial Measurement Unit (IMU), laser, Other, RADAR/LiDAR, Time-of-Flight, What's Hot Tagged With: FAQ

Hall switches feature ASIL B safety ratings

April 5, 2022 By Redding Traiger

TDK Corporation has upgraded its Micronas Hall-effect switch family, HAL 15xy, for automotive and industrial applications – All now defined as SEooC (Safety Element out of Context) ASIL B-ready, according to ISO 26262. Modules equipped with HAL 15xy can more easily fulfill higher safety criteria in automotive applications such as brake fluid level sensing, seat […]

Filed Under: Automotive, Hall Effect, Switches Tagged With: tdkcorporation

Barometric pressure sensor targets mobile device apps

April 5, 2022 By Redding Traiger

Bosch Sensortec introduces the BMP581, a barometric pressure sensor that couples low power consumption with extreme accuracy to provide altitude tracking in wearables, hearables, or IoT devices. This capability makes it ideal for applications such as fitness tracking, fall detection, indoor localization, and navigation, enabling new use cases that were previously impossible. This extreme level […]

Filed Under: Biometrics, Consumer, Internet of Things (IoT), Pressure, Pressure Sensor, Sensors, Wearable sensing technologies Tagged With: Bosch Sensortec

Keysight’s Innovation Challenge is back for 2022

April 4, 2022 By Martin Rowe

Massey University CAIRnet module

The student competition for IoT designs to mitigate climate change and reduce energy consumption is back on track for 2022. Registration opens April 4. After a two-year COVID-19 hiatus, Keysight Technologies has rebooted its IoT Innovation Challenge. The Keysight Innovation Challenge 2022 student competition challenges students to design IoT devices that sense our world and […]

Filed Under: Ambient Light, Covid-19, Events, Featured, Humidity, Industry News, Temperature Tagged With: Keysight Technologies

How are ultrasonic MEMS sensors being used for 3D obstacle detection and collision avoidance?

April 4, 2022 By Randy Frank

In addition to radar, LiDAR and camera sensing used in 3D obstacle detection and collision avoidance in advanced driver assistance systems (ADAS) in vehicles, ultrasonic sensing has been used as well. Traditionally, the ultrasonic sensors used transducer-based technology to provide a microphone to transmit and receive the ultrasonic signal in passenger vehicle parking applications. Using Infineon’s […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Ultrasonic Tagged With: infineon technologies

PIGAs can indeed fly – and are still the best, Part 3: History and future

March 31, 2022 By Bill Schweber

The PIGA is the oldest accelerometer and widely used in rocketry and guidance, and still the best – but MEMS-based devices are getting closer. The previous parts looked at the principle and operation of the PIGA. This part looks briefly at its history and refinement and the MEMS-based versions of the PIGA being developed and […]

Filed Under: Featured, Frequently Asked Question (FAQ), Gyroscope, Inertial Measurement Unit (IMU), Inertial Measurement Unit (IMU), Other Tagged With: FAQ

PIGAs can indeed fly – and are still the best, Part 2: Operation

March 30, 2022 By Bill Schweber

The PIGA is the oldest accelerometer and widely used in rocketry and guidance, and still the best – but MEMS-based devices are getting closer. At the core of each single-axis PIGA is a gyroscope. The performance of this gyro – which is unrelated to the orientation gyros – plays a large role in determining the […]

Filed Under: Accelerometer, Featured, Frequently Asked Question (FAQ), Gyroscope, Inertial Measurement Unit (IMU) Tagged With: FAQ

PIGAs can indeed fly – and are still the best, Part 1: Frame of reference

March 29, 2022 By Bill Schweber

PIGA

The PIGA is the oldest accelerometer, is widely used in rocketry and guidance, and is still the best – but MEMS-based devices are getting closer. When you see an inexpensive drone, a more sophisticated one, an unmanned aircraft, a standard piloted aircraft, guided or intercontinental ballistic missile ICBM), an underwater drone or submarine, or a […]

Filed Under: Accelerometer, Featured, Frequently Asked Question (FAQ), Gyroscope, Inertial Measurement Unit (IMU), Inertial Measurement Unit (IMU) Tagged With: FAQ

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