Tilt Sensor For A Mailbox?

The Yolink Garage Door Kit 1 is a solid choice when range is an issue. Their kit is essentially a tilt sensor and their relay, except that the garage door relay is limited to a 5v DC supply. If you look at their instructions for the kit, you'll see that they recommend testing by shorting the "signal" contacts with a paper clip. This says that they are nothing more than low voltage relay contacts, perfectly suitable for closing the contacts of a zigbee button or contact sensor.

Despite always stating in their maketing and sales informaition that a Yolink hub is required, that isn't the case when you use their D2D (device to device) connection.
This is precisely what I have done for our community mailbox, half a block away and it works perefectly every time. Only difference is I'm using the Yolink relay and a Yolink contact sensor because the mailbox door swings out, instead of tilting.

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