| computer or charging device. Pin Name | computer or charging device. Pin Number | Direction | Hyunwon device. Pin Number | Hyunwon device. Pin Name | Description |
| Tip | 1 | --> | 2 | Data + | copper<->white |
| 2nd ring | 2 | <-- | 3 | Data - | blue<->green |
| 3rd ring | 3 | --> | 4 | Charge + | red<->black |
| 4th ring | 4 | <-- | 1 | Charge - | green<->red |
The 3.5mm audio cable I was using may not be or there may not even be a standard that correlates the cable colors to the rings or tip. I have not looked. I will post pictures of this on denieru.no-ip.org (my personal website) at some point.
