// Mapping of analog pins as digital I/O
// A6-A11 share with digital pins
#define PIN_A0 (18)
#define PIN_A1 (19)
#define PIN_A2 (20)
#define PIN_A3 (21)
#define PIN_A4 (22)
#define PIN_A5 (23)
#define PIN_A6 (24)
#define PIN_A7 (25)
#define PIN_A8 (26)
#define PIN_A9 (27)
#define PIN_A10 (28)
#define PIN_A11 (29)
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