The ultrasonic sensor (or transducer) works on the same principles as a radar system. An ultrasonic sensor can convert electrical energy into acoustic waves and vice versa. The acoustic wave signal is an ultrasonic wave traveling at a frequency above 18kHz. The famous HC SR04 ultrasonic sensor generates ultrasonic waves at 40kHz frequency. Typically, a […]
The role of sensors in IoT networks, Part 2: Smart sensors and how to choose
Part 2 of this series continues with answering common questions about how sensors work in IoT system development. What are smart sensors? Basic sensors can detect changes in their environments and convert measured data into a digital format for the external microcontroller to process. The “smart” is in the microcontroller. Combining the microcontrollers in a […]
What are the roles of sensors in an IoT network? Part 1
The Internet of Things (IoT) and edge computing have created many smart industries such as smart city, smart factories, smart agriculture, smart medicine, and more. How do they become smart? The key lies in real-time data capture and analytics, using various types of sensors. TechJury, a software firm that reviews forecasts from various companies, predicts […]
Ultra-small temperature sensor, heart rate monitor ICs target wearable apps
Designers creating next-generation wearable health and fitness applications can reduce temperature measurement power by 50 percent with the MAX30208, as well as shrink optical solution size by 40 percent with the MAXM86161 from Maxim Integrated Products, Inc. In addition, design engineers can improve both sensitivity and accuracy with the highest signal-to-noise ratio (SNR) using the MAXM86161. Maxim Integrated’s […]
MEMS timing oscillators target aerospace and defense apps
SiTime Corporation today unveiled its Endura MEMS timing solutions for aerospace and defense applications such as field and satellite communications, precision GNSS, avionics, and space. The Endura products are engineered to offer unmatched performance in harsh conditions – such as severe shock, vibration, and extreme temperature – that are routinely experienced in these applications. The devices also offer maximum choice […]
Ultrasonic sensors detect multiple objects using wide field of view
Toposens recently announced the release of their current flag-ship product TS3, a 3D ultrasonic sensor suitable for a wide range of applications in the autonomous systems market that require a strong need for reliable object detection and situational awareness. In comparison to common ultrasonic sensors, which usually measure the distance only to the closest reflecting […]
Ultra-compact earthquake detection sensor modules include false-indicator prevention
An ultra-compact high accuracy seismic detection sensor module, the BP3901, targets applications requiring reliable earthquake detection, such as automatic doors, unmanned transport vehicles, and smart meters. The ultra-compact (11.8×8.6×2.5-mm) BP3901 integrates an original earthquake detection algorithm and offers high accuracy. In addition, a false detection prevention function is built in and it is capable of […]
Time-of-Flight sensor combines ultrasonic transducer with DSP on mixed-signal ASIC
TDK announces the immediate worldwide availability of the Chirp CH-101 MEMS-based ultrasonic Time-of-Flight (ToF) sensor. This ToF sensor utilizes a tiny ultrasonic transducer chip to send out a pulse of ultrasound and then listen for echoes returning from targets in the sensor’s field-of-view. By calculating the ToF, the sensor can determine the location of an […]
High-rez low and no-light image sensor targets AI, facial recognition apps
OmniVision Technologies, Inc.announced the OS04A10, a 2.9-micron pixel image sensor with 4 megapixel (MP) resolution, the latest addition to its growing family of industry-leading Nyxel near-infrared (NIR) and ultra-low light (ULL) sensors. The OS04A10 provides security cameras with greater zoom range and AI-enabled surveillance systems with better object identification and facial authentication accuracy. It provides […]
High-performance MEMS inertial module targets demanding AR, VR, and tracking apps
Designed and manufactured to satisfy performance-focused next-generation gaming, industrial, and sports applications, the STMicroelectronics LSM6DSR MEMS inertial module combines high stability with advanced digital features, low power consumption, and small size for head-mounted displays, wearable trackers, smartphones, robotics, and drones. The LSM6DSR MEMS System-in-Package contains a 3-axis digital accelerometer and a 3-axis digital gyroscope with […]
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