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Featured

What is the difference between piezoelectric and piezoresistive pressure sensing?

January 11, 2021 By Randy Frank Leave a Comment

Piezoelectric is the property of a material to generate a voltage when mechanical force is applied to it. In contrast, the piezoresistive effect is the property of a material’s resistivity to change when subjected to a mechanical force. In either case, the mechanical force or stress can be compression, tension or a bending force. Ceramic […]

Filed Under: Featured, Frequently Asked Question (FAQ), Piezoelectric, Pressure Sensor, Strain

The working principle, applications and limitations of ultrasonic sensors

January 7, 2021 By Lynnette Reese Leave a Comment

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 […]

Filed Under: Featured, Frequently Asked Question (FAQ), Position, Ultrasonic, Ultrasonic, Ultrasonic Level Sensor Tagged With: FAQ

Does the Eye of Horus represent a smart sensor or smart sensing?

January 1, 2021 By Randy Frank

There are five human senses. However, the Eye of Horus used by Egyptians for thousands of years to provide protection, health and rejuvenation, depicts six senses: the usual smell, sight, taste, hearing and touch — as well as thought. Since thought is a process, could it indicate the addition of “smart” or a sensor processing […]

Filed Under: Featured, Frequently Asked Question (FAQ), Smart Sensors Tagged With: department of energy, doe

What are the results of the 2019 MEMS Industry Commercialization Report Card survey? Pt 2

December 21, 2020 By Randy Frank

Roger Grace Associates MEMS Industry Commercialization Report Card (Report Card) Study for 2019 showed its overall grade remaining at B-, which has been so since 2014. This consistency demonstrates the maturity of the MEMS industry.  The standard deviation from 1998 to 2019 was 0.55. Conducted annually since its inception in 1998 by Roger Grace of […]

Filed Under: Featured, Frequently Asked Question (FAQ), Market Research, MEMS Sensor Technology Tagged With: Roger Grace Associates

What will CES 2021 be like?

December 17, 2020 By Randy Frank

The CES 2021 Virtual Press Briefing on Dec. 15 provided details of how CES 2021, the first all-digital event, will be held to cope with the ongoing COVID-19 pandemic. With CES ability to attract leading technology companies from around the world that plan new product introductions for the event and the number of sensors and […]

Filed Under: Events, Featured, Frequently Asked Question (FAQ) Tagged With: consumer technology association

What sensors are in a modern washing machine? Pt 2

December 14, 2020 By Randy Frank

In today’s washing machines, especially high-end units, several sensors provide real-time monitoring and feedback to shorten or improve certain functions. In addition to the latest touch screen inputs discussed in Pt 1 of this blog, other sensors include: Temperature Rotor position sensor Water level Dirt sensor Photoelectric sensor Pressure sensor Vibration sensor To select the […]

Filed Under: Featured, Frequently Asked Question (FAQ) Tagged With: TE Connectivity

What are the different types of light sensors?

December 9, 2020 By Nikhil Agnihotri

Light sensors or photosensors, which are designed to measure light intensity, are one of the most commonly used sensors in electronic applications. Light intensity is one of the seven base physical quantities. The measurement of light intensity is useful in many consumer, industrial, and security applications. What is a light sensor? A light sensor is […]

Filed Under: Ambient Light, Featured, Frequently Asked Question (FAQ), Other Tagged With: FAQ

What sensors are in a modern washing machine? Pt 1

December 9, 2020 By Randy Frank

The number and different types of sensors in cars and smartphones are cited frequently and certainly are impressive. However, sensor usage in many other areas is increasing as well. Appliances, which are not replaced as frequently as vehicles and smartphones, could surprise many people with the  different sensing functions and types of sensors used in […]

Filed Under: Capacitive, Featured, Frequently Asked Question (FAQ), Touch Sensing Tagged With: Microchip Technology

How to design an LDR light/dark sensor using Arduino

December 8, 2020 By Nikhil Agnihotri

Light sensors are widely used in electronic applications. The most common one used is a photoresistor or light-dependent resistor. Despite a long response time, this sensor is inexpensive and useful in several applications. A photoresistor consists of a zigzag track of photo-sensitive semiconductors. It offers pure resistance although this is dependent on the ambient light. […]

Filed Under: Ambient Light, Featured, Frequently Asked Question (FAQ), Other Tagged With: FAQ

What sensors allow robots to work collaboratively and safely with humans?

December 2, 2020 By Randy Frank

If advanced factories strictly concentrate on the machinery without taking human beings into account, will the robots have to consume the products they build? When Henry Ford installed the first moving assembly line to mass produce an entire automobile (Dec. 1, 1913), he more than doubled the wages of assembly line workers to stabilize his […]

Filed Under: Featured, Frequently Asked Question (FAQ), Image sensing, Smart cameras, Touch Sensing, Vision systems Tagged With: comau

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