Simple Node.js script to write text on the Pi Lite

gistfile1.js

var SerialPort = require("serialport").SerialPort;

var serialPort = new SerialPort("/dev/ttyAMA0", {
  baudrate: 9600
}, false);

serialPort.open(function () {
  console.log('Connected to Pi Lite');

  var text = "Hello World";

  serialPort.write(text, function(err, results) {
    if (err) {
      console.log('Error: '+ err);
    }

    //console.log('Result: '+ results);
    process.exit();
  });
});