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Peter Marks
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181 followers
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Updated uBitx raduino software
Inspired by the latest edition of the Soldersmoke podcast , I took a look at the updated software that has been created for the embedded Arduino Nano. My uBitx is looking much nicer since I made a new lid for it and mounted the speaker with a grill made of ...
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First play with OSMO-FL2K compatible VGA dongle
Everyone knows about the popularisation of software defined radio that came about via the wonderful discovery that low cost USB TV dongles with realtech chipsets could be used . Now it looks like we have the same sort of thing but for transmitting. Some low...
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Made a small project box
I'm not very good at this and figuring out how much extra to allow for the bend in aluminium continues to elude me but gradually I'm getting there. The box shown here is still pretty rough but it's good enough for my little projects. Being able to make them...
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Metalwork upgrade - a hand shear
I'm terrible at metalwork. Cutting even 0.5mm aluminium sheet is difficult with a hacksaw or jigsaw. Today I went on an expedition to machine tools supplier Hare & Forbes and it was a great place to look around and the staff were friendly. Half the battle i...
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Vanlife: another tour north
 This past week I headed north with a friend back to Dorrigo and surrounds. Once again, I was the perfect guest and slept in the van outside the homestead. Really lovely country and views to be seen as we toured around stopping at some wonderful creeks. The...
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OLED GPS display on Arduino with a little C++
The Arduino langauge is actually C++ but you never see that unless you look at library source code which tends to be a C++ class. I've written a little code to read the $4.10 GPS and display a bit of info on a small OLED display using the excellent Adafruit...
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The VK3ZZC "Horror" transmitter
A fond memory from my early days of ham radio was talking with Ralph, VK3ZZC, on 2m as he drifted up and down. To my amazement he was using a home brew valve transmitter he dubbed the "horror mitters". I just noticed that he has written a post about this pr...
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Low cost Neo-6M GPS works well
Ross, VK1UN, tipped me off to these GPS modules available from Aliexpress for AU$4.10. At that price I ordered 2. Here's the ad as it appears at the moment. Here's me running it via a USB serial device supplying 3.3V. The specs say it will run from 3.3 - 5V...
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Vanlife: another tour south
I'm back from a tour south from Sydney ending up in Melbourne. Gradually I'm learning how to find places to stay that I like. My preference is for places that are very quiet and look out at water or nice bush. The most up to date reference is the WikiCamps ...
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WSPR Watch iOS app updated
Since retiring from full time work over a year ago, I've had a break from iOS programming. Doing something as a job is a great way to lose interest in it as a hobby. Recently, after a dalliance with Google's excellent cross platform framework Flutter (and t...
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