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Added LED examples
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5 files changed

+245
-32
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‎eg/led-functions.js

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var five = require("johnny-five"),
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Spark = require("../lib/spark"),
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temporal = require("temporal"),
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board;
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// Create Johnny-Five board connected via Spark
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board = new five.Board({
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io: new Spark({
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token: process.env.SPARK_TOKEN,
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deviceId: process.env.SPARK_DEVICE_ID
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})
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});
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board.on("ready", function() {
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var led = new five.Led(process.argv[2] || "D0");
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this.repl.inject({
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led: led
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});
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temporal.queue([{
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delay: 0,
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task: function() {
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// on()
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//
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// Turns the led on
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led.on();
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console.log("led on");
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}
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}, {
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delay: 1000,
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task: function() {
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// off()
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//
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// Turns the led off
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led.off();
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console.log("led off");
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}
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}, {
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delay: 3000,
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task: function() {
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// strobe()
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//
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// Strobe the led (on/off)
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led.strobe(1000);
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console.log("led strobe");
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}
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}, {
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delay: 5000,
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task: function() {
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// stop()
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//
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// Stop the pulse
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led.stop();
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console.log("led stop");
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// If you want to make sure it's off
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// in case it stopped it while on
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led.off();
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}
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}, {
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delay: 1000,
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task: function() {
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// fadeIn()
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//
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// Fade in the led
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led.fadeIn(1000);
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console.log("led fadeIn");
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}
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}, {
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delay: 3000,
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task: function() {
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// fadeOut()
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//
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// Fade out the led
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led.fadeOut(1000);
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console.log("led fadeOut");
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}
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}, {
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delay: 5000,
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task: function() {
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// brightness ()
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//
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// set analog brightness (0-255)
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led.brightness(100);
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console.log("led brightness");
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// Exit gracefully
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process.exit(0);
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}
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}
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]);
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});
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// @markdown
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// To make use of `Led` methods like `fade`, `pulse`, `animate`, you'll need to
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// wire an LED to a PWM pin (A0, A1, A4, A5, A6, A7, D0 and D1).
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// If you use a different pin, make sure to run the script with the correct pin number:
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//
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// `node eg/led.js [pinNumber]`
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// @markdown

‎eg/led-rgb-keypress.js

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var five = require("johnny-five"),
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Spark = require("../lib/spark"),
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keypress = require("keypress"),
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board;
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// Create Johnny-Five board connected via Spark
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board = new five.Board({
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io: new Spark({
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token: process.env.SPARK_TOKEN,
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deviceId: process.env.SPARK_DEVICE_ID
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})
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});
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// The board's pins will not be accessible until
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// the board has reported that it is ready
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board.on("ready", function() {
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console.log("CONNECTED");
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// Initialize the RGB LED
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var led = new five.Led.RGB({
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pins: {
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red: "A5",
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green: "A6",
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blue: "A7"
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}
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});
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// RGB LED alternate constructor
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// This will normalize an array of pins in [r, g, b]
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// order to an object (like above) that's shaped like:
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// {
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// red: r,
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// green: g,
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// blue: b
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// }
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//var led = new five.Led.RGB(["A5","A6","A7"]);
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// Turn it on and set the initial color
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led.color("#FF0000");
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// Listen for user input to change the RGB color
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process.stdin.resume();
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process.stdin.setEncoding("utf8");
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process.stdin.setRawMode(true);
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var keymap = {
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r: "#FF0000", // red
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g: "#00FF00", // green
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b: "#0000FF", // blue
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w: "#FFFFFF" // white
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};
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process.stdin.on("keypress", function (ch, key) {
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if ( !key ) {
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return;
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}
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if (keymap[key.name]) {
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led.color(keymap[key.name]);
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console.log(" ", led.color());
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} else {
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led.off();
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}
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});
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});
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board.on("error", function(error) {
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console.log(error);
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});

‎eg/led-rgb-rainbow.js

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var five = require("johnny-five"),
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Spark = require("../lib/spark"),
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board;
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5+
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// Create Johnny-Five board connected via Spark
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board = new five.Board({
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io: new Spark({
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token: process.env.SPARK_TOKEN,
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deviceId: process.env.SPARK_DEVICE_ID
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})
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});
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board.on("ready", function() {
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var rgb, rainbow, index;
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// Initialize the RGB LED
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rgb = new five.Led.RGB(["A5", "A6", "A7"]);
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rainbow = ["FF000", "FF7F00", "00FF00", "FFFF00", "0000FF", "4B0082", "8F00FF"];
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index = 0;
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setInterval(function() {
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if (index + 1 === rainbow.length) {
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index = 0;
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}
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rgb.color(rainbow[index++]);
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}, 1000);
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});

‎eg/led-rgb.js

+4-32
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@@ -1,6 +1,5 @@
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var five = require("johnny-five"),
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Spark = require("../lib/spark"),
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keypress = require('keypress'),
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board;
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@@ -19,7 +18,7 @@ board.on("ready", function() {
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2019

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// Initialize the RGB LED
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var a = new five.Led.RGB({
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var led = new five.Led.RGB({
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pins: {
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red: "A5",
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green: "A6",
@@ -35,38 +34,11 @@ board.on("ready", function() {
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// green: g,
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// blue: b
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// }
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//var a = new five.Led.RGB(["A5","A6","A7"]);
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//var led = new five.Led.RGB(["A5","A6","A7"]);
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// Turn it on and set the initial color
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a.on();
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a.color("#FF0000");
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// Listen for user input to change the RGB color
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process.stdin.resume();
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process.stdin.setEncoding('utf8');
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process.stdin.setRawMode(true);
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var keymap = {
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r: "#FF0000", // red
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g: "#00FF00", // green
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b: "#0000FF", // blue
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w: "#FFFFFF" // white
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};
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process.stdin.on('keypress', function (ch, key) {
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if ( !key ) {
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return;
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}
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if (keymap[key.name]) {
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a.color(keymap[key.name]);
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a.on();
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} else {
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a.off();
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}
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});
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led.color("#FF0000");
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led.strobe(1000);
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});
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‎eg/led.js

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var five = require("johnny-five"),
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Spark = require("../lib/spark"),
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board;
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5+
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// Create Johnny-Five board connected via Spark
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board = new five.Board({
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io: new Spark({
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token: process.env.SPARK_TOKEN,
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deviceId: process.env.SPARK_DEVICE_ID
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})
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});
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// The board's pins will not be accessible until
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// the board has reported that it is ready
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board.on("ready", function() {
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console.log("CONNECTED");
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// Initialize the LED
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var led = new five.Led("A5");
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board.repl.inject({
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led: led
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});
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led.blink(1000);
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});
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board.on("error", function(error) {
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console.log(error);
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});

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