Tag Archives: javascript

Streaming audio between browsers with WebRTC and WebAudio

UPDATE (November 10, 2013): the demo page is up and running again. As an experiment I wanted to try if it is possible to stream music files from one browser to another using WebRTC. This post describes how to achieve … Continue reading

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Building applications for health devices with Antidote and NodeJS

In this post I will explain how to build health apps that use Continua Health Alliance certified health devices with NodeJS. To communicate with these devices I am using the D-Bus health service from the open source Antidote IEEE 11073 stack … Continue reading

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Wirelessly control an Arduino with NodeJS over Bluetooth

I wanted to control my Arduino via Bluetooth using NodeJS but I could not find a Node module to do it. That is why I decided to build my own. This post describes how to use it. Arduino setup First, lets … Continue reading

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Creating network diagrams with D3.js

D3.js is a JavaScript library for manipulating documents based on data. It can be used for all sorts of visualizations including network diagrams. In this article we will create a network diagram with nodes and directed links between them, visualized … Continue reading

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How to use XMPP SASL EXTERNAL with Node.js

Almost a year ago I came across Node.js for the first time. Without going into details I must admit that a kind of like it. It has been useful to me in various projects. I especially like it for rapid … Continue reading

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Using Google Visualization API with own data source

The Google Visualization API allows you to create charts and maps based on data you provide. This data can be in a Google Spreadsheet or be something you provide yourself. The visualizations themselves are mostly written in Javascript, although there … Continue reading

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