marxy's musing on technology

A friend alerted me to an interesting series of programs about shortwave from WNYC Studios. "Season Two of On the Media’s Peabody-winni...

Thanks to Thomas at The SWLing Post for drawing this to my attention. ABC Radio National, of which I'm a past contributor, has a docume...

Fantastic to see a serious ham radio construction project in the June edition of Silicon Chip magazine.  The project by Charles Kosina, VK3...

The competition for our smartphone dollars is about to enter a new round. Google is previewing Android 16 this week and Apple will preview i...

I've been staying in Tasmania this week, on the north coast, near Devonport and naturally I wanted to bring some sort of radio gear alon...

The Moorabbin & District Radio Club Hamfest must be one of the biggest in Victoria and it's always a good excuse to pick up some pa...

Artificial Intelligence continues to revolutionise our lives. Predictions from experts state that AI will likely automate or transform 50% t...

The Bendigo Amateur Radio and Electronics club today held their first Bendigo Technology Festival. It was an ambitious affair with informati...

An early electronics project for me was to construct an RF noise bridge. This remarkably simple device, combined with a receiver, let me mea...

Sample code for rotary encoder handling that I've found seems to double step with my encoder. I guess there's other that have half s...

Recently, I've been enjoying developing embedded projects on an RP2040 zero board using MicroPython. The RP2040s are fast and cheap and...

As part of my objective to take the SolderSmoke DC receiver forward to be a double sideband transceiver I've been messing about with an...

I've seen an OSError stack trace when trying to talk to an I2C device on the wrong address and wondered what EIO means. It would be nice...

Cyber criminals were able to breach a number of super funds, stealing hundreds of thousands of dollars from members. The breach was unsophis...

An interesting discussion of Digital Radio Mondiale. Some comments about how the west has retreated from Shortwave broadcasting are particul...

The Melbourne chapter of the Radio Amateurs Old Timers club had an informative and entertaining presentation by Nigel Holmes, VK3DZ about t...

If you are a 23andMe customer, like me, you should consider deleting your data. Are you a Windows 10 user? Microsoft is suggesting that you ...

Graeme, VK3CDO, came and gave a great presentation about portable operations gear at the Macedon Ranges Amateur Radio Club recently. He brou...

The much anticipated wait for the amazing software update to the QRP-Labs pocket radio, the QMX , is out in beta. Today I installed the thi...

Having had a wonderful time with the Soldersmoke direct conversion receiver and after that a very simple double sideband transmitter, I'...