Category: BITX40

BITX40 VFO Alternatives (and more!)

The BITX40 is a great radio but before they started shipping with a digital VFO, the BITX40 VFO was a big hurdle to getting on the air. The VFO is what tunes the radio, and the BITX40 VFO isn’t very stable. This can make it hard to stay on a frequency once you tune to it. …

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BITX40: L-Match Tuner for an End Fed Antenna

Can you hear me now? With my BITX40 in a temporary enclosure and with the PTT switch and Mic connected, it was time to try to make some contacts. I’d tuned the trimmer capacitor next to L4 it so that I could get into the upper part of the US 40M band and ended up …

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BITX40 Project Progress

A week ago I showed you the BITX40, a 40 Meter SSB radio for $45 from hfsigs.com in India. The kit arrived, and we’ve managed to put it together without letting the magic smoke out! Let us look at how the kit arrived and a minor challenge that was overcome. Unboxing the BITX40 was quite interesting. …

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40 Meters for $45: The BITX40 SSB Tranciever project.

This time around we’ll talk about an exciting radio: The BITX40 kit from hfsigs.com in India. More about that in a minute! The most expensive thing about ham radio is not getting your license. In fact that’s probably the single cheapest part of the whole hobby! Just some study time and $15 to take the …

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The Mad Scientist Hacker Lamp

Cheesy puns aside, I needed to be able to see in my little work area where I plan to play with electronics while I try not to burn myself with my soldering irons. Over the summer I bought a couple of workbench tables at a garage sale. One condition was that I had to take everything on …

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Garage Sale Find: Sangean ATS 505

The Find: A Sangean ATS 505 Shortwave Radio Ah, garage sale season. I love it! There are a number of things I look out for specifically when going to garage sales but I’ve been on the prowl for a shortwave radio for years. Over the weekend, I ran across a Sangean ATS-505. It was in a …

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So I built an AC Welder from Microwave Oven Transformers.

When I tell people that I built my own welder, I usually get mixed responses. Some people say “Wow, COOL!” and others look at me and probably wonder where the bodies are hidden. Truthfully, my quest to build my own welder started when I didn’t have the money to buy one and desired to learn …

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Garage Sale Stella Part IV: A New Hope

Although it isn’t legitimately a “Stella” guitar, I sure do like the name. So it’s staying. In Part II, “Pain in the (guitar) neck reset” I explained the problem with the neck and how I was going to go about fixing it. In Part III, “Kamikaze” Neck Reset, I showed you how I used a saw to perform …

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“Kamikaze” Neck Reset

Welcome to Post III in the Stella Garage Sale Guitar series. I picked up the guitar at a sale for $20, and it was unplayable. In this Previous Post I talked about what the problem with the guitar is, and outlined the plan to fix it. The first step was to get a saw that …

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Garage Sale Stella: Pain in the (guitar) neck reset

Neck Reset for Dummies The awesome thing about the guitar is that it came with a half decent case that my other guitar fits in. The not so awesome thing is that it’s downright impossible to play. The action (the distance from the fretboard to the strings) is so high (far) that simply pressing down …

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