Can any one confirm this. I tried several boards without success. I also tried with SPI.end(); in case that was on by default.
–Niklas
Hi there,
and welcome here…
So you don’t have enough forum creds to post pics & links , etc. But you can use the code tags above “</>” and paste in there you code, we can have a look. No issue with D10 as an input 
HTH
GL 
PJ 
try using the GPIO pin number instead of the logical pin name in your code 
Not all LIB’s & BSP’s support the pin macros. FYI
Changed to const int BUTTON_PIN = D10;, seems fine now. I’m using mbed enable could have been a mix up there. Thanks a lot.
–N
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