require node-restler et node-serialport

index.js

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

var sp = new SerialPort("/dev/ttyACM0", { baudrate: 9600, parser: serialport.parsers.readline("\n\r") }, false);

var rest = require('restler');
 
var callback = function (error) {
	if ( error ) {
		console.log('failed to open: '+error);
		console.log('retry in 2 seconds...');
		setTimeout(function() {
			sp.open(callback);		
		}, 2000);
			
	} else {
		console.log('open');
		sp.on('data', function(c_data) {
			console.log('data received: ' + c_data);
			c_data = c_data.split('|');
			rest.post('http://couchdb.ovh/api/mesures', {data: { ip: getIPAddress(), brightness: c_data[0], temperature: c_data[1], moisture: c_data[2] }});
		});
	}
};

sp.open(callback);

sp.on('close', callback);

sp.on('error', callback); 

function getIPAddress() {
  var interfaces = require('os').networkInterfaces();
  for (var devName in interfaces) {
    var iface = interfaces[devName];

    for (var i = 0; i < iface.length; i++) {
      var alias = iface[i];
      if (alias.family === 'IPv4' && alias.address !== '127.0.0.1' && !alias.internal)
        return alias.address;
    }
  }

  return '0.0.0.0';
}