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.