Welcome to MiscDotGeek

Welcome to MiscDotGeek! If it’s geeky, it’ll be here eventually. QRP, home brewing (electronics, not beer), welding, bicycles, and more. If I’ve dabbled in it, you’re bound to find a post about it here.

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Modifying the BITX40 for Upper Sideband

Because some digital modes require Upper SideBand (USB) to work properly, many people have been wondering how to get the BITX40 on Upper Sideband. Well, I'm here to show you- it's pretty easy! First, we ...
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BITX40: A simple microphone made from scraps

A common question with new BITX40 owner is "Which microphone should I use?" People have used modified CB microphones, Baofeng microphones designed for HT's, and various homemade microphones. The BITX40 comes with an electret mic element ...
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Adding 80m to the BITX40

Update: Because of the lack of filtration, this is a really dirty way of doing it. Instead, a new Band Pass Filter and Low Pass filter should be used. It's inexpensive and a fairly simple ...
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BITX40 Builds: M6YPA’s 3D Printed Case and Microphone

Today we bring you a beautiful 3D printed case from Adrian Cattell, M6YPA. Here are the pictures. See below for Adrian's description of the case, and how it came to be. Thanks for sharing, Adrian! ...
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BITX40 Builds: AB1OP and the PC Power Supply Case

Ralph [AB1OP] shared his BITX40 build on the BITX40 Facebook group this week. For his build he's re-purposed an older PC Power Supply case, and given it a custom printed front panel. Ralph explains what ...
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