Audio data transfer for AVR

I wrote some days ago about Tagsu – The Digital Wondertag. The inventor of that device pointed me to look at some more material on the device: 12kbps simple audio data transfer for AVR blog post is abou adventures in implementing a stupidly simple way of transferring data over audio to AVR (and why not

Firefox Developer Edition

Firefox has been my favourite web browser when doing web development. The reason is that there are very many useful add-ons that help debuging web pages. For example Firebug gives a wealth of development tools at your fingertips while you browse: You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web

HTML5 is now a W3C Recommendation

Developers, browser vendors and the press have been talking about HTML5 for many years. In reality, however, HTML5 has been flux for a long time. But just yesterdays W3C Declares HTML5 Standard Complete as W3C today published its Recommendation of HTML5 — the final version of the standard after years of adding features and making changes

Two simple on-line editors

Today’s HTML5 tips are two simple but useful (for testing and small tasks) on-line tools. real-time HTML editor! is as simple as it can get HTML editor. The editor show two frames:  Type HTML in the upper textarea above, and the resulting HTML page will magically appear in the frame below. real-time HTML editor! suits

jsFiddle web code playground

jsFiddle is a well worth to check out online playground for your JavaScript, HTML, CSS code at It  it provides on-line code editor and a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code right inside your browser. Getting up and running with jsFiddle is as


CodePen is a playground for the front end side of the web. CodePen is an HTML, CSS, and JavaScript code editor in your browser with instant previews of the code you see and write. It allows easily to explore web technologies with just your browser (no other development environment needed). CodePen can be found at

Rubics cube in your browser

Rubic’s Cube had it’s 40th Anniversary this week. Although the Rubik’s Cube reached its height of mainstream popularity in the 1980s (from where I remember it most), it is still widely known and used. Since then it’s sold over 350 million units, making it the best-selling toy ever. Rubik’s Cube is a hard task to

ProcessingJS for easy HTML5 based visualizations

Yesterday I did some testing with ProcessingJS. Processing.js is the sister project designed for the web of the popular Processing visual programming language (open source programming language based on Java). Processing.js makes your data visualizations, digital art, interactive animations, educational graphs, video games, etc. work using web standards and without any plug-ins. You write code