---
:LED_BUILTIN: 13
:A0: 18
:A1: 19
:A2: 20
:A3: 21
:A4: 22
:A5: 23
:A6: 24
:A7: 25
:A8: 26
:A9: 27
:A10: 28
:A11: 29
:SDA: 2
:SCL: 3
:SS: 17
:MOSI: 16
:MISO: 14
:SCK: 15