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I use Z-uno in a quite simple application as Binary sensor
As I would like to use a few of them I want to know without ambiguity which one transmitted data
If I set a variable with a unique serial number in the sketch how could I transmit it to the controller ?
Anyone has done it before ?

Channels are numbered in the order they are defined. So it should be very simple and clear

Hi PoltoS thanks for reply,
I believe I didn't explain correctly: actually I intend to use a few z-uno devices, each one having one Binary Sensor
Purpose is to know which Z-uno transmitted report.
I don't want to use the Z-wave ID as it is assigned by controller and if one of the z-unos is unpaired then paired it could get another ID, isn't it?
Should be great if Z-Uno had something like a MAC address which could be transmitted to controller (I do not know how...)