There are dialog boxes for the user to select or input - Reference resistance (50 or 5000) - Start frequency - End frequency - Step value - Output data file name It seems to be doing pretty well. I've tried to make it more flexible and interactive. right now I wanted to upload a slightly more polished version of the macro for Tera Term I described the other day. I think I was most proud of one that calculates the motional parameters of a crystal automatically. What a huge project that was for me, especially since I was learning C# for the first time while doing it. Then I started over with a Windows app doing all the controlling functions and talking to the hardware via a serial link. I first did all the functions on the Arduino and the user accessed them via a dumb terminal and a menu that the Arduino would transmit to it. I got involved with something similar several years ago called Poor Ham's Scalar Analyzer or 'PHSNA' I was the software guy.
Here's some info on the macro capabilities of Tera Term: I attach my macro file for anyone who'd want to use it as a starting point in trying a similar approach. A lot of stuff is hard coded that might be made more flexible with some more time. So I set up this macro to sweep from 100 to 1200 Hz in 50 Hz steps and save it to a file which I'd then import into Excel. I have a passive audio filter for CW with a BW of about 500 Hz centered on 550 Hz or so. Tera Term looks pretty good for that and I made up a simple macro after a few hours of trial and error on the commands. (Most recently to talk to my HP-48G calculator.) I've been using something called Tera Term or maybe Tera Term VT for cases were I needed a serial terminal. I considered writing a serial app from scratch but decided to see if any terminal program I have would have a full-featured enough macro language to allow doing it in a macro. Here's some info on the macro capabilities of Tera Term: 73- Nick, WA5BDU (Most recently to talk to my HP-48G calculator.) Tera Term looks pretty good for that and I made up a simple macro after a few hours of trial and error on the commands.
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