https://circuits.io/circuits/5604341-arduinorfm95-v6
Comments : In mysensors plugin for jeedom, change baudrate from 115200 to 38400 : Mysensors/Node/mysensors.js
var SerialPort = require('serialport');
gw = new SerialPort(gwAddress);
//compatibilité avec la nouvelle verion de serialport
if ( gw.settings.baudRate ){
gw.settings.baudRate=38400;
}else{
gw.settings.baudrate=38400;
}