panel.md

Using a panel and Strip Color

This example uses a 8x8 LED panel and strip.color() to change the entire panel.

To install the custom firmata, see the Installation Guide.

Wiring

Wire the neopixel panel up as shown below.

Example code

var five = require("johnny-five");
var pixel = require("node-pixel");

var opts = {};
opts.port = process.argv[2] || "";

var board = new five.Board(opts);
var strip = null;

var fps = 1; // how many frames per second do you want to try?

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

    console.log("Board ready, lets add light");

    strip = new pixel.Strip({
        board: this,
        controller: "FIRMATA",
        data: 6,
        length: 64,
    });

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

        console.log("Strip ready, let's go");

        var colors = ["red", "green", "blue", "yellow", "cyan", "magenta", "white"];
        var current_colors = 0;
        var blinker = setInterval(function() {

            if (++current_colors >= colors.length) current_colors = 0;
            strip.color(colors[current_colors]); // blanks it out
            strip.show();
        }, 1000/fps);
    });
});

Running

To run the example:

node examples/panel.js

You can optionally pass a port in as a parameter.