Wednesday, November 22, 2023

Adapting Ozito battery for ham radio power

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We have quite a few low cost Ozito (Bunnings) battery powered tools around here even though I've been transitioning to Makita. The batte...
2 comments:

Talking tech on ABC Radio

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After contributing technology commentary for many years on ABC radio, I've had a break this year but now I'm back. This week I did a...
Sunday, November 12, 2023

Rosebud Radiofest excellent again this year

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Like 12 months ago, I joined Richard, VK3LRJ in the journey down to the Rosebud Radiofest. It seemed bigger than last year. Certainly there ...
Friday, November 10, 2023

FreeDV 700e contact with VK3RV

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It's been a while since I've fired up FreeDV . For some reason there isn't a pre-made build for Linux so I grabbed the source co...
Sunday, October 15, 2023

Latest OpenWebRX on Raspberry Pi 4 excellent

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With a little travel on the agenda soon, I thought I'd run up OpenWebRX on a Raspberry Pi 4 in the shack. The simplest approach is to d...
1 comment:
Friday, October 13, 2023

Put up a dipole for 10m - a very active band

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Several people have commented that the 10m (28MHz) band is very active at the moment. Compared to my 80m dipole, a little dipole for 10m was...
Monday, September 25, 2023

Solar shack battery monitor mark 2 - simpler is better

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After the failure of my ESP32 web server to monitor battery voltage I reverted back to a simple system with an Arduino Nano reading analog v...
Sunday, September 24, 2023

Solar shack battery monitor mark 1 - failed project

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The radios in my shack are now powered by a 12V flooded deep cycle lead acid battery with 105Ah capacity charged from a 100W solar panel. So...