Hello evryone, i have a script where i wanna print the output. I tried many things, from a chart to a table but i cant print the output. i prefer to see te values is a linechart. but i thing it will be to difficult to do that because the values change every second. can anyone help me out please […

It looks like you are attempting to send a live data source in the format of historical data (i.e. an array of data to populate the chart points for a time range) when in fact you only need to send a value in msg.payload and the series name in msg.topic. It is as simple as that. As the chart help s…

Updated script: [{"id":"0a37fbed066ab815","type":"mqtt in","z":"5eb1333e969a781e","name":"Real-time energy data (1-second data)","topic":"servicelocation/dff5be04-8398-4c18-8ccb-d1bd13eb46f7/etc/measuredvalues","qos":"2","datatype":"json","broker":"2197f44a.ad9f2c","nl":false,"rap":true,"rh":0,"inp…

One thing I will add. Putting data into a chart every second will mean your 1h plot will have 60*60 (3600) points In terms of your display, to see 3600 actual plots, you would need a graph width of 3600 pixels Additionally, 3600 * 3 == 10800 total plots. This is not only pointless (you wont be a…

[image] Olivia: every second If you want this type of resolution, maybe use node-red to wright to InfluxDB and Grafana to display. You can ifram Grafana in nore-red dashboard, but you most probably will run into CPU usage issues, due to your sampling rate.

Node-RED

Node-RED Forum

Plotting values wont work

General

Olivia 14 March 2022 08:40 2

i would like to see something like this but instead of just 1 value, a constant changing linechart

Topic		Replies	Views
Signal not create chart Dashboard node-red-dashboard	4	291	20 March 2022
Chart on dashboard 2 with multiline: the first 2 point are connected only for the first line Dashboard dashboard-2	7	120	1 September 2024
Plotting in a chart General node-red-dashboard , chart	14	593	18 March 2022
Line chart not working :'( Dashboard node-red-dashboard	19	1341	30 October 2021
How to Plot line chart of real time data General	21	6841	5 April 2021

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Plotting values wont work

Related topics