Demonstrates draw() on Matrix display.

LED Matrix breadboard - Arduino Uno


Fritzing diagram: led-matrix.fzz


Run this example from the command line with:

node eg/led-chars-demo.js
const { Board, Led } = require("johnny-five");
const board = new Board();

board.on("ready", () => {

  const matrix = new Led.Matrix({
    pins: {
      data: 2,
      clock: 3,
      cs: 4


  // type `draw("shape_name")` into the repl to see the shape!
    draw(shape) {


Component Classes in this example:

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