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
     
Installation Overview (Jonny-Five)
  • Open Command Prompt.
  • Write the following command
    1. npm install johnny-five   
  • Wait for the installation.
Now, copy the code and save it into a .js file.
  1. var five = require("johnny-five");    
  2. var board = new five.Board();    
  3. // The board's pins will not be accessible until     
  4. // the board has reported that it is ready     
  5. board.on("ready"function() {    
  6.     console.log("Ready!");    
  7.     var led = new five.Led(13);    
  8.     led.blink(500);    
  9. });   
Step 2 - Setup Hardware
 
Hardware
 
Plug the Arduino and open the command prompt.
 
First, you need to specify the folder.
  1. node blink.js //your file name    
Done.
 
Now, you can blink your Arduino LED using Node.js.