Hi all, I am trying to put 2x lines on one chart from mysql data. I could create msg.payload as below but only legends show up, no lines... anything I missed or did wrong? Appreciate your advice. [ { "series":["data1","data2"], "data":[ [ {"x":"2024-11-18T00:00:09.000Z","y"…

Hi, welcome to the forum The payload format is not the same as old Dashboard-1 (for good reason) It is fully documented (and there are "Try Demo" links on most pages) here: Chart ui-chart | Node-RED Dashboard 2.0

Thank you, Steve. that's good to know. i tried the multiple lines example on your link and its works. And the document says about a single piece of data to plot multiple lines as below, but I struggled to understand. is there any example? If you want a single piece of data to plot multiple lines, y…

Hi jbudd, thank you. Put below and works! Sorry to bother you but want to as few more questions. How to put 2x Y axis scale? Say, 0 to 20 for label1, 0 to 600 for label2. When put large dataset, say 5000 of mysql records, it took a while to draw the chart. Is there any way to speed up? [{"name":…

Found an example exact I was looking for at very end of this article... [image] Chart Improvements & Migrating to Dashboard 2.0 • FlowFuse Discover significant chart enhancements and migration guidance in Dashboard 2.0's 0.7.x releases. Stay informed on project updates. …

Thanks for posting that flowfuse blog post, I had hot seen that. The main difference between that and my example linked above seems to be that mine plots the same property, temperature, as a different line for each sensor while Joe plots temperature and humidity for a single sensor as two lines on …

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jbudd 19 November 2024 12:27 4

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@flowfuse/node-red-dashboard line chart

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