# Usable Pins

```
PIN_A0  (10)
PIN_A1  ( 9)
PIN_A2  ( 8)
PIN_A3  ( 7)
PIN_A4  ( 6)
PIN_A5  ( 5)
PIN_A6  ( 4)
PIN_A7  ( 3)
PIN_B0  ( 0)
PIN_B1  ( 1)
PIN_B2  ( 2)
PIN_B3  (11)  /* RESET */
LED_BUILTIN (2)
```