ST UM1990, User Manual, Page: 8 / 27

Android application UM1990
8/27 DocID028662 Rev 2
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When the user selects the BT module, the application signals when the module
connects.

As soon as the BT module on Wireless Bridge board is connected to the smart
phone's BT interface, LED D7 turns on and stays on for as long as the connection
between the Bluetooth devices remains live.

To proceed, the user needs to click on the center of the application, as shown in
Figure 8: "Click to proceed" .
Figure 8: Click to proceed

The Wireless Bridge provides nodes connected via 6LoWPAN and NFC protocols.
The application allows you to select the connectivity protocol and proceed as shown in
Figure 9: "User options" . Data exchange takes place over Bluetooth communication.