Latest Sensors Technical Articles

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Resistive Current Sensing: Low-Side vs. High-Side Sensing

What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well as when each is the more appropriate design choice.

August 01, 2021 by Dr. Steve Arar

Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Learn the basics of Hall effect current sensors in this technical article.

July 25, 2021 by Dr. Steve Arar

Digital (ON/OFF) Hall Effect Devices: Switches and Latches

Learn about the polarity of the B-field, unipolar switches, omnipolar switches, Hall effect latches, and bipolar switches in this technical article.

July 22, 2021 by Dr. Steve Arar

Hall Effect Position Sensing: Response Linearity and Slope for Slide-By Configurations

Learn about how various decisions regarding Hall effect sensing solutions—specifically for slide-by configurations—can effect your designs.

July 19, 2021 by Dr. Steve Arar

Hall Effect Magnetic Design: Head-on and Slide-by Configurations

Learn about how the Hall effect is used in position sensing applications.

July 04, 2021 by Dr. Steve Arar

Proximity Sensors: Reviewing the Different Technologies

Learn how four different types of proximity sensor technologies compare: ultrasonic, photoelectric, laser rangefinder, and inductive sensors.

May 20, 2021 by Jeff Smoot, CUI Devices

Introduction to Linear Variable Differential Transformers (LVDTs)

Looking for a succinct intro to LVDTs? This article will explain LVDT basics, including structure, circuit, transfer function, linear range, sensitivity, and more.

May 09, 2021 by Dr. Steve Arar

Medical Applications for Micro-Force FMA Sensors

In this article, we will discuss the different applications of Micro-Force FMA Sensors in the health industry.

May 07, 2021 by Sager Electronics

Laser Diodes Enable Motion Sensing and Light-Based Distance Measurements (LiDAR)

In this article, ROHM will discuss the role of laser diodes in motion sensing and LiDAR, as well as their properties and limitations.

May 06, 2021 by ROHM Semiconductor

Two Techniques to Linearize Resistive Sensor Bridges

Measuring the minuscule resistance changes in resistive sensors can be a daunting task. Here are two hardware methods to eliminate bridge non-linearity errors.

May 02, 2021 by Dr. Steve Arar

Cold Chain Asset Tracking

In this article, we will discuss a proposed Cold Chain Asset Tracker with data logging capability with the use of Lapis Technology.

April 29, 2021 by ROHM Semiconductor

Types of Magnetometers

This high-level guide introduces common types of magnetometers, including scalar, vector, gradient, and more.

April 12, 2021 by Ignacio de Mendizábal

What Is a Magnetometer?

Learn the basics of magnetometers, including their relation to hysteresis curves and their applications.

March 19, 2021 by Ignacio de Mendizábal

Developing Robust Motion Detectors Does Not Have to Be a Moving Target

This article discusses some concepts for ensuring motion detector designs will be robust to external disturbances by presenting an infrared detector assembly that can significantly reduce the parts count and improve product performance and reliability. 

February 23, 2021 by Ryan Sheahen, Littelfuse

Characteristics of Different Photodiode Technologies

Learn about the differences between silicon photodiodes and photodiodes made from other semiconductor materials.

December 21, 2020 by Robert Keim

Introduction to CMOS Image Sensors

In this article, you'll learn the basics of the CMOS image sensor, including its core components, its block diagram, its strengths and weaknesses, and its applications.

November 09, 2020 by Dr. Steve Arar

Points to Consider When Selecting an NTC Thermistor

This article explores NTC thermistor types and their critical performance criteria and provides advice on selecting the appropriate device for a given application.

October 13, 2020 by Krystian Milewski , TDK

Engineering Guidelines for SDP3x Differential Pressure Sensor Integration

This application note gives advice and guidelines for engineers integrating an SDP3x sensor into their product, to make sure that the sensor can unfold its full performance after being placed in an application.

In partnership with Digi-Key

Quickly Integrate Clinical-Grade Temperature Sensing into Portable, Wearable Medical Designs

This article discusses the basic types of temperature sensors before focusing on digital IC sensors and the core features while also showing how these devices can meet the needs of next-generation systems.

In partnership with Digi-Key

How to Obtain the Temperature Value from a Thermistor Measurement

This article explains how to use an NTC or a PTC thermistor with an ADC, along with the various process techniques to convert ADC measured results into a usable temperature value.

August 18, 2020 by Gordon Varney, Texas Instruments