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If you use Prismatik instead it is cross-platform win/mac/linux. You use the Adalight sketch on your Arduino.
Some Arduinos have a voltage regulator onboard and will take higher voltage. However, NONE of them have a big enough voltage regulator to power more than a handful of RGB LEDs. I am using a CPT 15W car power converter with the USB connector cut off to supply 5V@3A from a 12V@2A wall wart. They are cheap on eBay, good and durable since they are for automotive use, and potted in epoxy. This is enough for the 52 LEDs on my 25.5" monitor. I am letting the PC power the Arduino Nano ($3 clone from eBay with CH340G serial works fine) and only supplying power to the LEDs from my supply. Then I just run ground and pin 6 from the Arduino to ground and DI on the LED strip respectively.
Bambilight just crashes on my PC, even after I built it myself with visual studio community, so it turned out to be worthless to me. What works is Prismatik (from Lightpack) using a modified Adalight sketch which uses FastLED. Actually, I am using the forked Prismatik, which is much better software; it is compatible with more or less any Windows and on Win8+ it uses the desktop duplication API.http://hyperlogos.org/blog/drink/Ambilight-Clones-Windows-and-Arduino
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