First commit

.gitignore

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+twitter_keys.json
+node_modules/

index.js

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+var five = require('johnny-five'),
+ Twitter = require('node-twitter'),
+ MorseCode = require('morsecode'),
+ morseConverter = new MorseCode(),
+ keys = require('./twitter_keys.json'),
+ board = new five.Board(),
+ isBroadcasting = false;
+
+var BPM = 400;
+
+board.on('ready', function() {
+ // Creates a piezo object and defines the pin to be used for the signal
+ var piezo = new five.Piezo(3);
+
+ // Injects the piezo into the repl
+ board.repl.inject({
+ piezo: piezo
+ });
+
+ registerTweet = function (morseStr, textStr) {
+ if (isBroadcasting) return;
+ console.log('SENDING:', textStr);
+
+ var message = [],
+ duration = 0;
+
+ for (char in morseStr) {
+ if (morseStr[char] === '.') {
+ message.push(['C4', 1/8]);
+ duration += 1/8;
+ } else if (morseStr[char] === '_') {
+ message.push(['C4', 1]);
+ duration += 1;
+ }
+
+ if (morseStr[char] !== ' ') {
+ message.push(null, 1/8);
+ duration += 1/8;
+ }
+ }
+
+ broadcastTweet(message, duration);
+ }
+
+ broadcastTweet = function (message, duration) {
+ isBroadcasting = true;
+
+ piezo.play({
+ song: message,
+ tempo: BPM
+ });
+
+ setTimeout( function() {
+ // Ready for next tweet
+ isBroadcasting = false;
+ }, (4*duration*1000)/(BPM/60) + 2000);
+ }
+
+
+
+ var twitterStreamClient = new Twitter.StreamClient(
+ keys.CONSUMER_KEY,
+ keys.CONSUMER_SECRET,
+ keys.TOKEN_KEY,
+ keys.TOKEN_SECRET
+ );
+
+ twitterStreamClient.on('error', function(error) {
+ console.log('Error: ' + (error.code ? error.code + ' ' + error.message : error.message));
+ });
+
+ twitterStreamClient.on('tweet', function(tweet) {
+ var textStr = tweet.text;
+ var morseStr = morseConverter.translate(tweet.text);
+ registerTweet(morseStr, textStr);
+ });
+
+ twitterStreamClient.start(['teknodrom']);
+
+});

package.json

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+{
+ "name": "johnny-five",
+ "version": "0.0.0",
+ "main": "index.js",
+ "scripts": {
+ "test": "echo \"Error: no test specified\" && exit 1"
+ },
+ "author": "Oscar Persson",
+ "dependencies": {
+ "johnny-five": "latest",
+ "node-twitter": "~0.5.2",
+ "morsecode": "~1.0.0"
+ }
+}