johnny-five/eg/led-chars-demo.js

The JavaScript Robotics and Hardware Programming Framework. Use with: Arduino (all models), Electric Imp, Beagle Bone, Intel Galileo & Edison, Linino One, Pinoccio, Raspberry Pi, Spark Core, TI Launchpad and more!

var five = require("../lib/johnny-five");

var board = new five.Board();

board.on("ready", function() {

  var matrix = new five.Led.Matrix({
    pins: {
      data: 2,
      clock: 3,
      cs: 4
    }
  });

  matrix.on();

  // type `draw("shape_name")` into the repl to see the shape!  
  this.repl.inject({
    matrix: matrix,
    draw: function(shape) {
      matrix.draw(five.Led.Matrix.CHARS[shape]);
    }
  });
});