Node-RED flow to detect missing devices

I’ve developed a simple Node-RED flow to detect battery-powered devices that are not transmitting updates since a given amount of time: GitHub - raspibo/ha-node-red-missing-devices: Node-RED Home Assistant automation to check which devices have vanished

The current version just covers my needs, but it can be easily extended to support other use-cases: I’ve already opened some issues with potential improvements.

As always, any help is welcome!

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