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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.
@AlessioBacin
Ok i connected NodeMcu with espruino IDE through wifi and then used serial1 to comunicate to sim800L.
Comunication now is not conflicting with the only UART available but i cannot get to work AT commands on sim800...