SOS wireless bathroom

SOS wireless bathroom

In previous article we saw how Giano – the hotel supervisor – is able to manage different types of signals (buttons, alarms, etc …).

In case it is not possible to wire or stop the activity to do so, the most convenient and simple solution is to resort to the use of wireless devices of the Shelly Cloud family .

In this tutorial we will see how to acquire the signal of a bathroom tie rod (also called SOS) in Giano using the Shelly 2.5 device.

The bathroom tie rod

The sos bathroom tie-rod is nothing more than a button in fruit format for box 503 operated by a cord.

It is normally connected directly to a buzzer in order to alert the staff.

Shelly 2.5

To bring the connection to home automation, you need to acquire the button by connecting it directly to the Shelly 2.5 device, also that can be installed inside the same 503 box .

 

Schematics and wiring

Wiring is really simple and requires only the phase (L) and neutral (N) connections:

Once the connections have been made, and in any case before inserting everything into the junction box, it is necessary to power up, configure and test everything.

Configuration and testing

Once the Shelly 2.5 is powered, the smartphone app must be used to detect it and connect it to the WiFi network.

Then it is necessary to test the connection by pressing the button and checking its status on the application.

Once the connections have been tested, it is necessary to configure the device to transmit its status to Giano by performing the following steps:

  • serial number annotation;
  • enabling and setting of the MQTT broker (Giano’s server)

Once the device configuration has been completed, the device must be added in Giano, indicating the serial number and assigning the bathroom SOS alarm function to its input.

From this moment, the device will communicate via WiFi to Giano the activation of the Bathroom SOS, which will be notified to the staff via popup on the software or via SMS.

Conclusion

As with the bathroom tie rod, Shelly Cloud wireless devices can be used to extend the Giano branch of action by bringing inputs and outputs where direct wiring to home automation is not possible.

Waiting for the next tutorial, we refer to the article “ IoT (internet of things) lands in the Hotel “, for other interesting ideas to understand the flexibility of use of these small interconnected devices.

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