Arduino Blink Program With Node.js

Step 1 - Install Node.js

Installation Overview (Node.js)

Installing Node and NPM is pretty straightforward; using the installer package available from the Node.js® web site.

Installation Steps

1. Download the Windows installer from the Nodes.js® web site.
2. Run the installer (the .msi file you downloaded in the previous step).
3. Follow the prompts in the installer ( Accept the license agreement, click the NEXT button a bunch of times, and accept the default installation settings).
   
   
   

Installation Overview (Jonny-Five)

• Open Command Prompt.
• Write the following command
  
  npm install johnny-five 
  
  
• Wait for the installation.

Now, copy the code and save it into a .js file.

var five = require("johnny-five");
var board = new five.Board();
// The board's pins will not be accessible until
// the board has reported that it is ready
board.on("ready", function() {
    console.log("Ready!");
    var led = new five.Led(13);
    led.blink(500);
});

Step 2 - Setup Hardware



Plug the Arduino and open the command prompt.

First, you need to specify the folder.

node blink.js //your file name

Done.

Now, you can blink your Arduino LED using Node.js.