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Creating a Motion Detector using an Arduino, a Photoresistor and MATLAB

Acquire photoresistor measurements and explore motion detection algorithms


Updated 01 Sep 2016

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This example illustrates how to measure the light sensitive analog voltage from a photoresistor circuit connected to Pin 0 of an Arduino Uno.
The example then applies three types of calculations in real-time to determine if the current voltage reading signifies motion.
Using a pre-recorded dataset, the data is further processed in MATLAB to categorize the motion.

This example requires the user to first install the MATLAB Support Pacakge for Arduino Hardware which is available here:

For more information on MATLAB support for Arduino, see the following resource page:

Comments and Ratings (2)

Qusay Jalil



Updated license

MATLAB Release Compatibility
Created with R2014a
Compatible with any release
Platform Compatibility
Windows macOS Linux