marxy's musing on technology

I love Bill M0HBR's regular podcast SolderSmoke , the ongoing story of a home brewing ham radio enthusiast who is currently on the air f...

I'm experimenting with antennas again and wanted a way to string up a dipole so that I could easily pull it down and make adjustments. M...

As a family, we decided to travel to Canberra to watch the torch relay and join the crowd in support of the Tibetan community. I headed out ...

Just stumbled upon an amazing remote controlled receiver available on the internet called WebSDR . Unlike other radios available on the inte...

Google App Engine and more. Google App Engine experiences YUI Home brew electronics Amazon Web services action Amazon MP3 SafariAdBlock Try...

MySQL has been a hugely popular database and is unambiguously the M in LAMP. (Whereas the P could be Perl, Python or PHP). That must annoy t...

My thanks go out to Geoff Balemans for pointing me to a wonderful video by Douglas Adams, narrated by Tom Baker, called Hyperland. This show...

In preparation for the next NSW Home Brew group meeting at Dural where we will be having a power meter calibrate-athon, I've built a cra...

Using some code based on the excellent example here I built a morse beacon keyer using an ATMega8 but it seemed like a massive waste of pin...

In a brave move that I'm sure had the producer at least a little sceptical, I attempted to explain Google's new App Engine on ABC R...

The MacBook Air is lethal! Subscribe in: iTunes Everything else

I'm working with SOAP and WSDL at the moment and golly that xml can be hard to read. In the past I've used GraphViz to draw picture...

Acting on a tip from a work colleague, I dropped in to " Smith & Smith " Pty Ltd, also known as The Sydney Horological Centre ...

Microsoft makes really great mice. Apple just can't seem to get it right. I've bought four "mighty" mice since the launch,...

Just built a nifty little kit, the Pixie 2 from KennComm , a company that sells some very interesting bits and pieces.. A nice little kit, ...

Ever since I attended a workshop on stepper motors at Dural conducted by Peter VK2EMU I've been watching for the site of an inkjet print...

In this episode we chat about: Ben's Time Capsule experience OmniFocus 1.0.1 review Safari 3.1 Bicycle news from Ben (he didn't get ...

Here's a simple sine wave audio generator. It generates a nice looking, and sounding sine wave by using a resistor A/D converter connect...

There's a lot of interest in ham radio circles around the new DDS chips which can act as a high stability VFO over a wide range with ver...

Baby steps here folks. I've just got my Atmel ATMega8 to drive an HD44780 LCD using the 4 bit parallel interface. (Previously I've b...