Category: Electronics

The QRP Labs U3S WSPR Beacon

In September of 2017 I built a QRP Labs U3S and posted my initial review of it on This Blog.  That was over a year ago though, and since then a lot has changed. So lets catch up and re-review the U3S and talk about what it can do, and how you can get the …

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QRP Labs QSX: Will You Be Able to Build It?

QSX Construction

With the release of the QRP Labs QSX just around the corner, some folks are wondering if building it will be within their capability. In this post my goal is to dispel some of the fears that people have when it comes to building such a kit, and talk about some of the tools needed. …

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HF Antenna 80-10m, no tuner needed.

One of the amazing things about Amateur Radio is that you can turn the hobby into whatever you want it to be. You can  spend thousands of dollars on all the latest gear with a 130 foot tower with giant beams atop it. OR…. you can spend as little as possible and have at least …

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Misc Dot Welder Part 1

I posted last about a giant recumbent bicycle build. In that post I mentioned that I built a welder. Well, I’m ramping up to build another recumbent. So that means we need another welder. And at first I was going to build another welder, but then I discovered Offerup.com. Offerup is how I got some …

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Diagnosing Car Battery Trouble, the Geek Way

On a recent trip to go see Weird Al’s Ridiculously Self-Indulgent, Ill-Advised Vanity Tour (which was amazing by the way!) I had some car trouble. My Corolla just would not start. Sometimes it did fine, but other times, it simply refused to turn over fast enough to start. Getting Home with a dead battery Being 250 miles …

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Time Lapse Camera with the Raspberry Pi Zero W: Part 1

Today we’ll talk about using the Raspberry Pi Zero W to make a Time Lapse camera that can also be used for home security.  But first, I’m going to get a little meta with The Blog. I haven’t been posting a lot on The Blog lately, mostly because I’ve been quite busy with Real Life. My …

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Dual Band BITX40 Project Update

I’ve written about putting together a dual band BITX40 in the past and the methods I used had varying success. The idea was to augment the built in filters with switched in/out add-on filters from QRP-Labs. This is a sound idea, but the layout of Low Pass Filter on the BITX40 really didn’t allow it …

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A Simple 5v Power Supply for Arduino, U3S and more

Many electronics experimenters and builders take the lowly 7805 regulator for granted, and we pop it in a circuit without a second thought and move along. But for beginners who are wondering how to power their Arduino or other 5 volt project (such as the QRP Labs U3S) from a 12v-13.8v power supply, the 7805 …

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Ham Radio for $100 Part 1: VHF

It is often said that ham radio is a very expensive Hobby. It is my aim in this blog post to show you that while ham radio can be expensive, it doesn’t necessarily need to be expensive to get started and have a lot of fun on the air! We’re going to look at three …

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Low Budget Tools and Parts For The Budget Builder

The uBITX is now out, QRP Labs QCX is on the market, and the BITX40 is still a fantastic kit- Hams all around the world are preparing burn some solder and get on the air! If the BITX40 has taught me anything it’s that you don’t need anything fancy to get your radio on the …

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