Latest Optical Sensors Technical Articles

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Learn to Build a Photoelectric Sensor System Using an Arduino Uno and OpenPLC

Since photoelectric sensing can be achieved with electrical, electromechanical, and electronic components, learn to build, test, and implement a prototype photoelectric switch using off-the-shelf components with Arduino OpenPLC.

March 12, 2023 by Don Wilcher

Comparing Optical Sensors: Understanding D-Star

This technical brief discusses a parameter that conveys the sensitivity of an optical detector.

April 05, 2018 by Robert Keim

The AS7261 Color Sensor: Measuring Color in XYZ

The AS7261 is a highly integrated sensor that provides optical measurements via a digital interface.

March 23, 2017 by Robert Keim

Measuring and Calculating Lux Values, Part 2

Use data from an RGB sensor to improve the accuracy of illuminance measurements.

January 15, 2016 by Robert Keim

Measuring and Calculating Lux Values

Learn how to translate the output of a photosensor into an illuminance measurement.

January 13, 2016 by Robert Keim