@zander See my last post.

@will @zander Here is the schematic. With the exception of the voltage regulator, it is identical to Bill's fritzing diagram, I think. ETA: It...

@zander Thanks. You are correct. Now I need to do some testing on the AMS1117 and see how much surge current it will tolerate. P.S. I have some Mini...

@will Thanks. I watched that section again, and you are correct.

@zander I wish I could have some of your software expertise; I write some code, but it's clumsy. My concept is that "voltage regulator" is a broad ter...

@zander There is no Arduino; the green board is a RPi Pico, the white board is my design, and the small blue one is an off-the-shelf AMS1117-5 Chine...

I liked Bill's article so much that I designed and bought some PCBs. Attached are a couple of pix. However, I am having some power trouble that prompt...

@zander SDRs are very common now. I have a kit for one, but have never built it; it's probably obsolete by now. I have an Icom 7300 that has a good ge...

Okay./p>

@ronbentley1 Thanks for the welcome message. I hope to learn from the members here, and maybe even make an occasional worthwhile post.

@inq Thanks for the welcome. I understand that there are a variety of people here and likewise a variety of viewpoints. I have been subscribed to Bill...

@zander I don't know...maybe it's because I was advised long ago when entering a swimming hole for the first time to not make a lot of waves. My chann...