The following wire colors apply to SpeedBall-2 designs and newer. All wires are 22-gauge, Teflon-insulated stranded wire, unless otherwise specified.
| Wire Function | Color |
|---|---|
| 12V | Black |
| GND | White |
| 5V | Red |
| 3.3V | Orange |
| SDA | Green |
| SCL | Brown |
| GPIO | Gray |
| SENSE (Ground Support) | Blue |
| TX (from Computer!) | Purple |
| RX (to Computer!) | Yellow |
| Line | Color |
|---|---|
| 12v | Black |
| 3.3v | Orange |
| 5V | Red |
| GND | White |
| SDA | Green |
| SCL | Brown |
| GND | White |
| GPIO | Gray |