Do WS2812B LEDs require resistor and/or MOSFET?

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  • ErgoDash

    keyboard

    • I'm building (another) ErgoDash and I'm considering adding only underglow lights (with RGB WS2812B LEDs) and not backlights. However the documentation wrapes them together and I'm not sure whether the additonal components - a MOSFET and a 1k Ohm resistor - are needed for the underglow. Anyone knows? Can there be any harm (i.e. shorting something) in trying without them?

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