Node-Red CSV double entries

Is there a way how i can go sure that i don't get double entries in my CSV.
I take data from a sensor every 30 sec, but if nothing changed, I want get a new entry in my CSV.
Just if something changed (I get 5 different values).

Use an RBE node.

I get 68 objects, which i delayed seperated. so i think i cannot use it or?

I don't understand. Show us what the data looks like.

i get an aray full of objects, which i split into these objects (68 entries) which became delayed by 1 msg per 0.01 seconds

Please feed it into a debug node and show me what it looks like.

Is this the same question that you have asked here. If so then please don't do that. You just waste peoples time by doing that.

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