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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Just try it - it should work. Worst case your lights expect 4 bytes and the module will complain if the data isn't a multiple of 3 bytes long. In that case, just round up to the nearest multiple of 12 - any extra bytes sent just get ignored by the LEDs.