Hello @Koepel , @UKHeliBob and the Arduino forum,
Your replies are appreciated.
"I think you have to install that board."
Went to Tools>Board>Board Manager>
At the section marked Arduino AVR Boards selected Update.
Update ran. Now says 'Installed'
Is there something else needed for the IDE to recognize the Nano?
"The Nano Every does not use an ATmega328P"
At Tools> Processor the only three options available are
ATmega328P
ATmega328P (Old bootloader)
ATmega 168
Tried the Atmega 168. Same result: "Error occurred while uploading the sketch."
If the Nano does not use the Atmega328 which processor does it use? How to choose in the IDE?
It is agreed that the problem seems to be between the IDE and the board because the sketch will upload to the Uno R3 but not upload to the Nano.
How to troubleshoot?
Thanks.
Allen in Dallas