A series of USB 2.0 CMOS cameras with built-in LED controllers for illumination have been developed by Mightex Systems. They consume ∼0.8 W, enabling incorporation of four LED controllers onto the same printed circuit board. The board can control a red, a blue, a green and a white LED simultaneously and independently. Software controls the camera and the LED driver, synchronizing image capture and illumination. The camera and the controllers are powered through the USB 2.0 interface, without requiring an external supply. Monochrome and color models are available.

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