How to make a flow wait before triggering a node once more

General
1

Hello,
I am pretty new to Node Red so I kindly ask for your help.

I have an intrusion video alarm that when triggered sends an email to my Raspberry server.

I have created a simple flow that checks the email received and sends a voice message depending on the message received.

The problem is that if the alarms triggers two events nearly at the same time, the flow sends one voice message after the other and the two voice message overlap.

So how can I make the flow wait X seconds after having sent one voice message before sending the other?

Thanks for helping,
Daniele

2

A Delay Node can be set to Rate Limit instead of typical delay.

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There is also a setting on how to handle the intermediate message so it will delay and then send 2nd message or even delete the 2nd message.

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