# LED

```
// Some code
import rospy
from clover.srv import SetLEDEffect

set_effect = rospy.ServiceProxy('led/set_effect', SetLEDEffect)  # define proxy to ROS-service

set_effect(r=255, g=0, b=0)  # fill strip with red color
rospy.sleep(2)

set_effect(effect='fade', r=0, g=0, b=255)  # fade to blue color
rospy.sleep(2)

set_effect(effect='rainbow')  # show rainbow

# fill (или пустая строка) – залить всю ленту цветом;
# blink – мигание цветом;
# blink_fast – ускоренное мигание цветом;
# fade – плавное перетекание в цвет;
# wipe – "надвигание" нового цвета;
# flash – быстро мигнуть цветом 2 раза и вернуться к предыдущему эффекту;
# rainbow – переливание ленты цветами радуги;
# rainbow_fill – переливать заливку по цветам радуги.
```


---

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://tangerine-2.gitbook.io/red_horizon/programmirovanie/koding-gy/led.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.