simple webcam thing for tessel

camera.js

var tessel = require('tessel');
var camera = require('camera-vc0706').use(tessel.port['A']);

var notificationLED = tessel.led[3];

camera.on('error', function(err) {
  console.error(err);
});

camera.on('ready', function() {

  console.log('camera is ready');
  var http = require('http');
  http.createServer(function (req, res) {
    notificationLED.high();
    camera.takePicture(function(err, image) {
      if (err) {
        console.log('error taking image', err);
        res.writeHead(500);
      } else {
        notificationLED.low();
        res.writeHead(200, {'Content-Type': 'image/jpeg'});
        res.write(image);
        console.log('done.');
      }
      res.end();
     });
  }).listen(1337, '0.0.0.0');
  console.log('listening on port 1337');
});