Thanks to all that have responded... sorry for the preamble but I think It's necessary.
At this time I am just trying to upload the software to the NANO. I have tried the original software to the latest software.
I followed Barry's suggestions (above) exactly. I get errors when compiling with the Aduino IDE.
I have made no mods to the radio. It worked except for poor audio. The audio is fine from the top of the audio pot.
Therefore I figured I needed to calibrate it. But the original software calibration menu seldom came up. Therefore, I wanted to try later software.
So I have just the Nano connected to my PC, via a USB... on my desk.
The software I have seen and tried is... KD8CEC's and is set for the 1602 display.
I loaded //Firmware Version
#define FIRMWARE_VERSION_INFO F("CE v1.070")
#define FIRMWARE_VERSION_NUM 0x02
compiler says " Arduino: 1.6.6 Hourly Build 2015/07/21 05:42 (Windows 8.1), Board: "Arduino Nano, ATmega328"
ubitx_20.ino:60:19: fatal error: ubitx.h: No such file or directory
compilation terminated.
Error compiling.
So I found the file ubitx.h and dropped it into the end of the code and it still can't find the ubitx.h file...
Maybe you can send me a working file to try... ve3coj@...
Thanks for the help.... Jeff