| pin | name | direction | description | color |
| 1 | Keypad -- right column | | Keypad -- right column | |
| 2 | Keypad -- middle column | | Keypad -- middle column | |
| 3 | Keypad -- left column | | Keypad -- left column | |
| 4 | Start, Pause, and Reset common | | Start, Pause, and Reset common | |
| 5 | Keypad -- third row and Reset | | Keypad -- third row and Reset | |
| 6 | Keypad -- second row and Pause | | Keypad -- second row and Pause | |
| 7 | Keypad -- top row and Start | | Keypad -- top row and Start | |
| 8 | Keypad -- bottom row | | Keypad -- bottom row | |
| 9 | Pot common | | Pot common | |
| 10 | Horizontal pot (POT0, 2, 4, 6) | | Horizontal pot (POT0, 2, 4, 6) | |
| 11 | Vertical pot (POT1, 3, 5, 7) | | Vertical pot (POT1, 3, 5, 7) | |
| 12 | 5 volts DC | | 5 volts DC | |
| 13 | Bottom side buttons (TRIG0, 1, | | Bottom side buttons (TRIG0, 1, 2, 3) | |
| 14 | Top side buttons | | Top side buttons | |
| 15 | 0 volts -- ground | | 0 volts -- ground | |