Arduino IR Proximity Detector

Detect how close an object is and map its proximity to a note.

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更新时间 2015/8/28


Write an S-Function to detect proximity of an object and play a note in response. This project uses an IR LED that emits light in the IR region. An IR sensor (photo-transistor) is used in pair with the IR LED, and is connected closely to the IR LED. When an object is brought close to the IR-LED, IR-light will be reflected and will cause the light intensity to change, depending on how close the object is. The sensor will measure the changes in intensity and map those values to different notes.
In the modelling stage, use Simulink External Mode to run the model live-time in order to locate and program appropriate threshold values.
Esther Ling, Edu Engineer


Techsource Technical Team (2023). Arduino IR Proximity Detector (, MATLAB Central File Exchange. 检索来源 .

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