When implementing a compass system, it's important to understand the types of errors that can affect the accuracy of the heading readings. This article discusses those errors and explains methods to correct for them.More>>

A brief introduction to RF energy harvesting: what it is, what it does, and how it enables wireless sensor networking applications.More>>

Distributed DA systems offer improved measurement accuracy and easy setup when compared to centralized DA systems, however, their design must take into account signal conditioning, self-calibration, excitation, and noise rejection to achieve the most accurate and reliable measurement results.More>>

Power consumption is a central design consideration for wireless sensor networks whether they are powered using batteries or energy harvesters. Vital to success for either approach, however, is the need for hardware that uses power intelligently.More>>

Part 2 of this two-part article focuses on how to optimize the performance of your capacitive sensor, and to understand how target material, shape, and size will affect the sensor's response.More>>

This article describes prototypes of a novel thermoanemometer-type nanoliter-airflow sensor, integrated onchip with analog CMOS signal conditioning circuitry and with analog adjustability that allows accurate sensing of low differential pressures.More>>

Part 1 of this two-part article reviews the concepts and theory of capacitive sensing to help to optimize capacitive sensor performance. Part 2 of this article will discuss how to put these concepts to work.More>>

Choosing the right accelerometer for your application can be a daunting task. This article offers guidelines to aid you in the selection process.More>>

Heavy-duty optical encoders require clever design and robust construction to survive in extreme environments.More>>

Nonius interpolation provides excellent differential linearity and higher resolution for linear displacement measurement systems or rotary encoders.More>>