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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
It might be worth adding a timeout - Maybe just use the callback argument of
at.cmdinstead of theregisterLinethat you added? That includes a timeout if nothing is received in a given time period, so you should never be able to get in a deadlock.