
I wanted to know how I would have done building a first receiver from scratch. So, fifty years later, I found out. Read more
I wanted to know how I would have done building a first receiver from scratch. So, fifty years later, I found out. Read more
With this NanoVNA Current Choke Test Rig, you can quickly design and test all sorts of common mode chokes in your home lab. Read more
My favorite ham radio book is Solid State Design for the Radio Amateur. An oldie, but goodie indeed. Read more
You may remember the days when you tested your own vacuum tubes at the local department store tube tester. Reminds me of my first part-time job. Read more
Once you set your goals for an IoT device, you design NodeMCU IoT code. You follow a simple outline. Read more
Over the past six years, I have used NodeMCU for my IoT Controllers. Cheap, cheerful and very functional. Let’s dig in. Read more
Understanding IoT devices is an important addition to your knowledge. Building your own can be an increasingly important skill set. Read more
Why bother with a lengthy and oft frustrating remote antenna switch project? Well, the joy of success, of course. Read more
I finally have a noise-free loop array distribution system up and running. Performance is near perfect and I use it every day. Read more
Today’s post is a tribute to the ingenuity and skills of Jim VE6JF. He designed this ultimate antenna switch to eliminate RFI from microcontrollers. Read more