Category Archives: Arduino

T-R Time Machine

This past January, I became aware of a new event celebrating the vintage rigs popular in the 50’s, 60’s and 70’s, the Novice Rig Roundup. I love the tube rigs from that era, and absolutely had to put together a … Continue reading

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A key repair.

Back at the beginning of November I happened to be in the local Barnes & Noble bookstore on a Sunday afternoon, when I noticed signage for the “Mini Maker Faire” event B&N was holding the following weekend. My initial reaction … Continue reading

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The other display.

Back in March, around the time I had received my SI5351 breakout board kit from EtherKit, I ordered a new Arduino board to use with it. I knew I would need some kind of display, but to date had not … Continue reading

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More software, less radio.

My recent foray into the world of software defined radio, the SI5351 based 3 Band VFO (3BVFO), has been a fun project so far, but I have to observe that since it is mostly software, it is mostly acting like … Continue reading

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Not a tube project, version 1.1

This is just a brief update to last week’s post about the 3 band VFO sketch for the Si5351 breakout board and Arduino. Software never stands still…. Working with Joel Caulkins, KB6QVI, who generously expressed an interest in the sketch … Continue reading

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Definitely not a tube project.

Lately I have been having lots of fun working on a variety of different bench projects, all involving very different technologies, switching between them as parts arrive and time allows. I have been experimenting with space charge tubes, with the … Continue reading

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Can I hear you now?

Almost immediately after finishing the two-tube transmitter last spring, I began to think “Gee, wouldn’t it be great to build a receiver from scratch, so I could have an entirely homebrew station?” Apparently this kind of self-destructive thinking is a … Continue reading

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