marxy's musing on technology
A bloke with too many hobbies.
Monday, April 15, 2024
PSSST kit build - Pete's Super Simple Sideband Transceiver
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I've been a fan of Pete, N6QW, since hearing him on the excellent Soldersmoke podcast and blog . Pete has built many home brew transcei...
Thursday, April 11, 2024
"Exception: [Errno 2] No such file or directory: 'udisksctl'" programming rp2040 on linux
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A note to others. Just now I was trying to program an RP2040 board using Arduino IDE 2 on Linux and got this error: "Exception: [Errno...
Saturday, March 30, 2024
Multi-band antenna change - back to the Off Centre Fed dipole
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Lucky to have the space for this sort of thing, I had put up a full wave "sky" loop for 80m. It was suspended from a number of tre...
Friday, March 15, 2024
Handy breakout board for Raspberry Pi Pico
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Just picked up a few of these breakout boards. I'm not sure that I like the screw terminals but it is handy having LEDs on each GPIO pin...
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Sunday, March 10, 2024
A pleasant trip north via "The Dish"
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A friend had some boxes of yachting gear left in Melbourne and I kindly agreed to drive it up to him at Dorrigo NSW. Along the way I visited...
Monday, February 26, 2024
Simple Arduino rotary tuning knob for SDR
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I like using SDR++ to remote control my AirSpy receiver but I was missing the tuning knob. SDR++ can be tuned with the mouse wheel but I fin...
Sunday, February 25, 2024
Wyndham Amateur Radio Club radiofest a good show
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It's only a few short weeks since the Ballarat hamfest but as I live pretty close it was a no-brainer to head over. There was an excelle...
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