Jumpers J3, J4 and J5 allow one to select which pins used to control red, green and blue channels respectively.
| Pos | J3 (Red) | J4 (Green) | J5 (Blue) |
|---|---|---|---|
| 1 | Pin 14 | Pin 15 | Pin 16 |
| 2 | Pin 17 | Pin 18 | Pin 19 |
| 3 | Pin 20 | Pin 21 | Pin 22 |
| 4 | Pin 23 | Pin 24 | Pin 25 |
This is a stackable add-on board for Raspberry Pi Zero (W) to control an RGB LED strip.