Hi Every one.
I down loaded the STM32F1XX libraries with the board manager and did a test.
The Nano with Blink (Build in examples)
Use 924 bytes of program storage
Global variables 9
The STM32F103C with its own Blink under other board examples
Use 12804 bytes of program storage
Global variables 2064
Why this huge increase on the STM32F?
Thanks in advance.