A-Teachers-Guide-to-the-Intel-Galileo-Final

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55 | Using the Galileo as a ComputerCopy and paste this code into a new program named: SimpleJavascript.htmlThen double click on this file to open it in a browser.The tells the browser that the following code is javascript and likewise the ends the javascript code.The onClick=”functionOne();” tells the browser to perform the code in functionOne when youclick on the Top Text link. Similarly, the “javascript:functionTwo();” tells the browser to performthe code in functionTwo when you click the Bottom Text link.Most people use node.js as a web application server. Here is a simple web server written innode.js which we can run on our Galileo.// Load the http module to create a http servervar http = require('http');// Configure the http server to respond with Hello World to all //requestsvar server = http.createServer(function(request,response) {response.writeHead(200,{'Content-Type': 'text/plain'});response.end('Hello World\n');});server.listen(1337, '192.168.1.18'); // IP address of the Galileoconsole.log('Server running at http://192.168.1.18:1337/');In order to run this code on our Galileo, in a Putty or Terminal window connected to your linuximage create a new file by typing in at the command prompt:root@clanton:~# vi hello.js(See the section of this document on Linux for more details about creating a file using vi.)Type the program contents above into hello.js.Now run the program by typing at the command prompt:root@clanton:~# node hello.jsNow type in the address into your browser and there you have a simple web server visible onyour local network. In our case we would type in: http://192.168.1.18:1337/Node.js Resources:http://www.crunchzilla.com/code-monster -- A great place for kids to learn Javascripthttp://nodetuts.comhttp://www.nodebeginner.org/
A TEACHER’S GUIDE TO THE INTEL® GALILEO | 56Displaying temperature data on a WebServerusing Google ChartsOverviewIn this activity we connect a temperature sensor to the Arduino and continually write thecurrent temperature to a file on the Galileo. We then run a python program on the Galileo toread the temperature on this file and display it on a web server using the Google Charts API.When the user refreshes the browser on the web server the current temperature is retrievedand displayed. This activity requires soldering so will not be suitable for younger students.Materials»»1 x Intel® Galileo Gen 2 board»»1 x 12V Power supply»»1 x Micro USB lead»»1 x Breadboard»»5 x Jumper leads (M-M)»»1 x Temperature Sensor TMP102»»1 x Soldering Iron + solderWiring
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3 | IntroductionHow to use this gui
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A-Teachers-Guide-to-the-Intel-Galileo-Final

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