I just did some testing (see https://github.com/espruino/Espruino/issues/606#issuecomment-153983011), and currently it seems not to be possible to drive WS2812 LEDs.
@MarkusGritsch started
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I just did some testing (see https://github.com/espruino/Espruino/issues/606#issuecomment-153983011), and currently it seems not to be possible to drive WS2812 LEDs.