> For the complete documentation index, see [llms.txt](https://wiki.luxio.lighting/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.luxio.lighting/getting-started/soldering.md).

# 2. Soldering

Solder the following 3 wires to the LED Strip connector (or to the LED strip directly).

{% hint style="info" %}
The LED strip has a direction, which is shown by arrows. Make sure to solder the `DI` wire on the left side of the arrow.
{% endhint %}

| LOLIN D1 mini V4 | LED Strip |                                                    |
| ---------------- | --------- | -------------------------------------------------- |
| `GND`            | `GND`     | White                                              |
| `VBUS`           | `+5V`     | <mark style="background-color:red;">Red</mark>     |
| `0`              | `DI`      | <mark style="background-color:green;">Green</mark> |

<figure><img src="/files/TzzW0Ya3lUC7hB5sMbEQ" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
On older Wemos D1 mini, pin `0` may be called `D3`.
{% endhint %}