FIAP Arduino Liga/Desliga LED

server.js

var express = require('express');
var five = require('johnny-five');

var app = express();
var board = new five.Board({port:"COM3"});
var relay;

board.on("ready", function(){
    console.log("Arduino conectado");
    relay = new five.Relay(13);
});

app.get('/', function (req, res) {
  res.send('Hello World!');
});

app.get('/liga-led', function (req, res) {
    relay.on();
    res.send('Liga o led');
});

app.get('/desliga-led', function (req, res) {
    relay.off();
    res.send('Desliga o led');
});

app.get('/temperatura-atual', function (req, res) {
  res.send('Temperatura atual');
});

app.listen(3000, function() {
  console.log('listening');
});