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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
Strange... I'm afraid it doesn't make much sense to me - it might to someone else I guess. The delay should be proportional to the speed of sound, which wouldn't change depending on the module :)
And you're definitely not using the
outpin, but theechoone as the input?