# Servo going in a loop

**URL:** <https://discourse.nodered.org/t/servo-going-in-a-loop/61063>\
**Category:** Dashboard\
**Tags:** node-red-dashboard\
**Created:** [10 April 2022 13:03 UTC](https://discourse.nodered.org/t/servo-going-in-a-loop/61063 "2022-04-10T13:03:56Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![E1cid](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/e1cid/32/77971_2.png) [@E1cid](https://discourse.nodered.org/u/E1cid)\
**Post date:** [10 April 2022 13:23 UTC](https://discourse.nodered.org/t/servo-going-in-a-loop/61063/8 "2022-04-10T13:23:13Z")

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It's like me asking, i have a piece of string, if i hold it up and it touches the floor, how long is it?

supply a flow and the input messages

read this to find out how to capture messages  
[https://nodered.org/docs/user-guide/messages](https://nodered.org/docs/user-guide/messages)  
and this to export your flow  
[https://nodered.org/docs/user-guide/editor/workspace/import-export](https://nodered.org/docs/user-guide/editor/workspace/import-export)

and how to post the info [How to share code or flow json](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506)

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