Category Archives: Projects

Finished a Goal From 6 years Ago

Posted on January 31, 2024 by robert

Way back in January 2018, I had a goal to “3D print an electronics project case”.  I had enrolled in a SolidWorks class at my local community college to learn 3D modeling.  Sadly I didn’t complete it, and it remained … Continue reading →

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Everything old is new again…

Posted on January 23, 2024 by robert

Winter always brings a desire to do projects of some sort.  In fact, throughout the rest of the year, I tend to acquire parts for small projects with the hopes of finishing them during the cold, dark, snowy New England … Continue reading →

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QRP Labs QCX-mini

Posted on March 6, 2021 by Bob Beatty

I need another radio like a submarine needs a screen door.  That said, I couldn’t resist buying a QCX-mini from QRP Labs.  This is a $55 partial kit (all SMT devices already on the board), with a $20 case, making … Continue reading →

Posted in CW, Projects, QCX-mini, QRP | 1 Comment

The smell of Fall and a new Soldering Iron

Posted on November 1, 2019 by robert

It’s hard to beat fall in New England.  Beautiful colors, amazing apples (cider, hard and soft, plus donuts!).  It means all the busy summertime activities are fading away, and being replaced with more leisurely ones.  In my case, that means … Continue reading →

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PyPortal NTP Clock – Part 2

Posted on July 1, 2019 by robert

The PyPortal does have a 4-pin JST connector on the side, which makes it easy to hook up a IC2 Breakout like the DS3231, which is about 1 PPM accurate, or 3 seconds a month.  That is a heck of … Continue reading →

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PyPortal Auto Rebooting Endless Loop

Posted on June 28, 2019 by robert

A few years back I made a NTP clock for my station.  I was always obsessed with time accuracy, and a RPi running NTP services filled the bill quite well.  That clock was always within a fraction of a second … Continue reading →

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Work-around for Pesky OS X Kernel Panic with Arduino

Posted on August 6, 2017 by robert

I’ve been bouncing between my Windows PC and a Macbook Pro as I am writing the code for the Feather NTP Clock.  (Gotta love BitBucket and TortoiseHG which provide me with the latest source code wherever I am). While it … Continue reading →

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Feather NTP Clock

Posted on August 5, 2017 by robert

While my obsession with accurate time continues, these days my obsession with avoiding the hassle of resetting clocks on DST/STD changeover and power failures grows. My original NTP Clock, based on the Raspberry Pi worked just fine, but it really … Continue reading →

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Using a Diplexer (Duplexer) as a 2-meter LPF

Posted on March 28, 2017 by robert

First off, to be clear, I’m talking about a Diplexer, the small device that will fit in your pocket and costs < $60, that is used to combine 2-meter and 70-cm rigs to use a single antenna feed-line. However both … Continue reading →

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KA1QYP Half Pint QRP Transceiver Passes FCC

Posted on March 24, 2017 by robert

In our continuing quest to evaluate the output purity of various QRP kits, Willy W1LY constructed a Bill KA1QYP Half Pint Kit. The assembled kit produced a solid 600 mW output and was one of the cleanest radios we’ve seen.  The … Continue reading →

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