marxy's musing on technology

A bloke with too many hobbies.

Sunday, January 25, 2026

FreeDV net - 12 on frequency but poor conditions

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A good rollup this morning but few stations could actually hear many people. Very warm here in south eastern Australia. Jack, VK5KVA said he...
Saturday, January 24, 2026

It's time to upgrade the home to Matter and Thread

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We have some simple home automation here. Lights come on at sunset and go off again later. Some lights we turn on or off by calling out. Not...
Wednesday, January 21, 2026

3D printed box for USB-C CYD (Cheap Yellow Display)

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I've been getting in to the CYDs which have an ESP-32 attached to a 2.8" touch screen. Recently I bought some new versions with a U...
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Sunday, January 18, 2026

FreeDV net - poor conditions but a good roll up

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Quite a few stations on the frequency this morning but only a few could talk to each other. Seen were: VK2AWJ, VK2BLQ, VK2CJB (who was heard...

Macedon Radio Club annual picnic with lots of radio

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My local radio club, the Macedon Ranges Amateur Radio Club, held its annual picnic day and several of us brought along portable radios and a...
Wednesday, January 14, 2026

Tech talk on ABC Radio - Consumer Electronics Show highlights

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Every January the consumer electronics show takes over Las Vegas. The event of the year where tech companies flex their muscles and show off...
Tuesday, January 13, 2026

Lauriston Reservoir

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Haven't seen the water running before. Quite spectacular.
Sunday, January 11, 2026

FreeDV net - very poor conditions

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A small group today and many stations could not hear each other. Apparently there's a solar wind. Seen on frequency were VK2AWJ, VK2CJB,...
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