Electronics > Beginners
Reversing an output's polarity using a microcontroller
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tooki:
They're what Adafruit brands "neopixels", FYI, so lots of how-to's refer to them as that. The actual model number of the most common type is the WS2812B. They're pretty awesome. They daisy-chain (forming a physically gigantic shift register), and with the third-party arduino libraries for them, you pretty much just say "LED #[position in the chain], change to [RGB value]" and it does it. The LED itself then does the dimming/color blending on its own, with no further CPU usage, even.
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