I have a problem for which the answer is apparently so incredibly obvious that nobody else needs to ask. I have searched the forums, the Google, etc., using a variety of search terms and phrases, and so far I still don't understand:
How do I see SoftwareSerial output?
I have followed the tutorials, for example:
I have the feeling I need to have two devices in order to see the SoftwareSerial output - one to generate it, and other to receive and output to a monitor.
The last link I posted, however, specifically says "There is no circuit for this example." The code comments, though, do indicate connecting pins to another device. I feel like if the Tutorial page was read by somebody who didn't already understand it, it seems incomplete.
So if I do need two devices, what is the easiest way to see the SoftwareSerial output? I have the following right now:
Arduino Uno (1x) Adafruit Pro Trinket (2x) Adafruit Trinket (2x) Adafruit Gemma (2x) Sparkfun Pro Mini (2x)
At this time I do not yet have an FTDI cable or other such device. (In the past I have programmed the other boards either directly or by using the Arduino as an ISP.)
As far as I can tell, of my devices only the Uno supports hardware serial communication, and since I am using it for the project (with an ESP8266 wifi module) I am not sure what I can use to read the software serial debugging. Do I need to buy something else (again) and if so what?
== Documentation suggestion? ==
I have tried using Terminal (Mac OS), CoolTerm, and myriad options within the Arduino IDE. I've read through forum posts and websites, but in every instance it seems everyone involved already understands how to handle SoftwareSerial more than I do, so they don't explain the basics.
I really have spent a lot of time searching and trying to figure it out for myself before posting here, so it seems either I am really dense or it might be useful to add explicit information about reading SoftwareSerial output to the Arduino documentation files such as the two I linked to above.
Thanks for your help!