I need some help! I am not a developer but I have used node red for a solar monitor and it is working great. I have purchased a WiFi temperature monitor that has an API, which it is giving me in a string format (See Below). I want to take the Field8 Value which is 40 and put it in a gauge and I dont…

If the data type being returned is a JSON string (as it appears in your post), you should pass it to the json node, set to output a JS Object. Then I would wire this to a change node, and use the JSONata expression payload.field8.value to extract just that number 40. The change node's JSONata expre…

Node-RED

Node-RED Forum

Getting Data from a String

General

dceejay 13 May 2019 14:20 2

See this recent thread... Access a value on message
(including the bits at the end)

Topic		Replies	Views
How do i reference a value out of a JSON string General	16	1644	17 January 2021
How to get a value from a string General	2	511	25 October 2019
Getting a value from json for a gauge General	5	3420	28 January 2021
Extracting Data from payload General	10	730	17 September 2019
Convert string to number General	6	1021	14 November 2024

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.

Getting Data from a String

Related topics