# LED Control Example DR

### HMI Panel File

<figure><img src="https://175138337-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fvxlh3prlGsBGF30oqbYW%2Fuploads%2FIcPoKKuL0pM4ohr65qGc%2Fimmagine.png?alt=media&#x26;token=b5a87325-64b0-40c5-b45a-1c5780deb377" alt=""><figcaption></figcaption></figure>

{% file src="<https://175138337-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fvxlh3prlGsBGF30oqbYW%2Fuploads%2FdMzRmRinLD0NYV2pslRC%2Fcolor_hmi.hmi?alt=media&token=552f4717-d6b3-4b0a-8e27-9bb5a7cd2a56>" %}

### Script File

```python
from DRCF import *

color = "green"

def rainbow():
    global color

    for i in range(5):

        # red
        set_state_led_color(1, 0, 0)
        color = "red"
        wait(0.4)

        # yellow
        set_state_led_color(1,1,0)
        color = "yellow"
        wait(0.4)

        # green
        set_state_led_color(0,1,0)
        color = "green"
        wait(0.4)

        # cyan
        set_state_led_color(0,1,1)
        color = "cyan"
        wait(0.4)

        # blue
        set_state_led_color(0,0,1)
        color = "blue"
        wait(0.4)

        # magenta
        set_state_led_color(1,0,1)
        color = "magenta"
        wait(0.4)
```