const SerialPort = require('serialport')
const Readline = require('@serialport/parser-readline')
var port = new SerialPort('/dev/ttyUSB0', {
  baudRate: 115200
});
const parser = port.pipe(new Readline({ delimiter: '\r\n' }))
parser.on('data', (data) => {
console.log(JSON.parse(data));
})


{ data:
   { gps: { status: 'found', lat: -1, lng: -1, time: '2080-1-5T23-59-47' },
     sensors:
      { temperature: 27.46,
        pressure: 1000.4,
        humidity: 45.242,
        gasResistance: 53.75,
        altitude: 107.707 } } }