Hi i think the solution is simple but i get stuck with adding up some values. I am a total N00b so please be patient. Situation: I get data from Domoticz via Mqtt. (works) I split the messages to get only the data i need (from 3 sensors) (works) Now the difficoult part. The output is like this: …

Here is my proposed solution based on the data in the first post. Join the three chunks together [26%20PM] In a change node, use jsonata to [12%20PM] 1 - change svalue1 from a string to a number payload ~> | $ | { "svalue1": $number(svalue1) } | 2 - sum up all occurances of svalue1 $sum(payl…

Steve-Mcl 4 August 2019 11:23 6

Been asked soooo many times. A simple search would uncover many threads.

This one might give you a head start....

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Sum of 2 values - flow? General	3	920	14 March 2022
Add values from MQTT General	2	946	23 July 2019
Combine multiple Payloads General	11	388	18 July 2023
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Sum up three outputs from mqtt

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