# How do i chose to what graph the value goes too

**URL:** <https://discourse.nodered.org/t/how-do-i-chose-to-what-graph-the-value-goes-too/84426>\
**Category:** Dashboard\
**Tags:** node-red-dashboard\
**Created:** [9 January 2024 14:33 UTC](https://discourse.nodered.org/t/how-do-i-chose-to-what-graph-the-value-goes-too/84426 "2024-01-09T14:33:23Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![RodrigoAlmeida](https://avatars.discourse-cdn.com/v4/letter/r/e95f7d/32.png) [@RodrigoAlmeida](https://discourse.nodered.org/u/RodrigoAlmeida)\
**Post date:** [9 January 2024 14:33 UTC](https://discourse.nodered.org/t/how-do-i-chose-to-what-graph-the-value-goes-too/84426/1 "2024-01-09T14:33:23Z")

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Hello, im working with mbed to aply a filter to a signal in c++ and using node-red dashboard to show the graphs. I want to show both the original signal and the filtered one but im having trouble seperating when a signal goes to the graph, what ends up happening is that both signal show in the same graph one after the other. Is there anyway i can change this?

Thank you

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [9 January 2024 15:52 UTC](https://discourse.nodered.org/t/how-do-i-chose-to-what-graph-the-value-goes-too/84426/2 "2024-01-09T15:52:55Z")

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Welcome to the forum @RodrigoAlmeida

If you want to plot two lines on the chart then give the data for each line a different msg.topic.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [8 February 2024 15:53 UTC](https://discourse.nodered.org/t/how-do-i-chose-to-what-graph-the-value-goes-too/84426/3 "2024-02-08T15:53:50Z")

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