camera.js

// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/publicdomain/zero/1.0/

/*********************************************
This camera example takes a picture. If a
directory is specified with the --upload-dir
flag, the picture is saved to that directory.
*********************************************/

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

var notificationLED = tessel.led[3]; // Set up an LED to notify when we're taking a picture

// Wait for the camera module to say it's ready
camera.on('ready', function() {
  notificationLED.high();
  // Take the picture
  camera.takePicture(function (err, imageBuffer) {

        if (err) return console.error(err);

        var request = http.request({
            hostname: '192.168.2.30', // Where your other process is running
            port: 3000,
            path: '/upload-pic',
            method: 'POST',
            headers: {
                'Content-Type': 'image/jpg',
                'Content-Length': imageBuffer.length
            }
        });

        request.write(imageBuffer);

    });

  // camera.takePicture(function(err, image) {
  //   if (err) {
  //     console.log('error taking image', err);
  //   } else {
  //     notificationLED.low();
  //     // Name the image
  //     var name = 'picture-' + Math.floor(Date.now()*1000) + '.jpg';
  //     // Save the image
  //     console.log('Picture saving as', name, '...');
  //     process.sendfile(name, image);
  //     console.log('done.');
  //     // Turn the camera off to end the script
  //     camera.disable();
  //   }
  // });
});

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