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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
No, it's a bit tricky as you can't inspect the current fifo usage from JS - ideally you'd just pause it for a bit when the fifo started getting full.
And yes, the native implementation should - but realistically the addition of the hardware flow control is what you really need.