Probaly very easy but I have put several housr trying to get his working. I am using Weather-Display to publish weather data to my Mosquitto. I got this now when doing debug. WeatherDisplay/temp2 : msg.payload : string[6] "{12.8}" I want the payload to be just 12.8 so I can put that value in my…

You can use the Change node to remove { and } The quotes indicate it's a string rather than a number (as you can see it only has 6 characters) Set the change node to "change" and then search and replace...

Quart666 4 September 2019 09:31 3

Thanks for a fast answer !
I am new to Node red so I need a little more help
Adding Funtion to flow is no problem but how to write the function is worse

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Remove "{ }" from payload

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