| Pin | Use |
|---|---|
| 0 | Boot |
| 1 | Servo 15 |
| 2 | Servo 14 |
| 3 | Servo 13 |
| 4 | Servo 12 |
| 5 | Fuse 4 ADC |
| 6 | Fuse 1 ADC |
| 7 | Servo 0 |
| 8 | Servo 1 |
| 9 | Servo 2 |
| 10 | Servo 3 |
| 11 | Fuse 2 ADC |
| 12 | Servo 4 |
| 13 | Servo 5 |
| 14 | Servo 6 |
| 15 | 6V ADC |
| 16 | Batt Voltage ADC |
| 17 | Fuse 3 ADC |
| 18 | Fuse 5 ADC |
| 19 | USB - |
| 20 | USB + |
| 21 | Servo 7 |
| 26 | AD Servo 1 |
| 33 | AD Servo 3 |
| 34 | AD Servo 4 |
| 35 | Batt Serial TX |
| 36 | Heart Beat LED |
| 37 | Servo 8 |
| 38 | Servo 9 |
| 39 | Servo 10 |
| 40 | Servo 11 |
| 41 | SDA |
| 42 | SCL |
| 43 | TX |
| 44 | RX |
| 45 | |
| 46 | |
| 47 | AD Servo 2 |
| 48 | Batt Serial RX |
- i2c (SCL 42, SDA 41) - BNO055
- Serial 0: Tx 43, Rx 44
- Serial 1: Tx 35, Rx 48