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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
Well, the way Espruino's
Clockmodule works is to keep track of the 'real' time and Espruino time when the time is 'set' - which can be done any time. It can then work out the 'real' time whenever it wants to... You could use exactly the same module with the F4.In fact you could do it right now - it just wouldn't be quite as accurate right now as it works of the high speed oscillator.