Thanks. I did try with 1.14 and it did not work but using #define D9 as suggested by msfujino worked ! I am using the nrf52 mbed enabled-board to avoid issues with the Serial commands.
Thanks. I did try with 1.14 and it did not work but using #define D9 as suggested by msfujino worked ! I am using the nrf52 mbed enabled-board to avoid issues with the Serial commands.