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. 2010 Aug 2;1(2):385–397. doi: 10.1364/BOE.1.000385

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©2010 Optical Society of America

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License, which permits download and redistribution, provided that the original work is properly cited. This license restricts the article from being modified or used commercially.

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Fig. 4 — Multispectral illumination with a microcontroller flowchart. Multispectral illumination is provided through the interface of a microcontroller, control computer, and camera. Once the user inputs a desired strobing sequence from the GUI, the control computer checks the validity of the pattern and instructs the microcontroller to use a preprogrammed strobe sequence. If the process is successful, the user is allowed to begin image acquisition. During acquisition the microcontroller is driven by the camera to turn the LEDs on/off. A frame counter provides the next LED in the sequence. When acquisition ends, the microcontroller is reset.