I want to create an application, in android studio, that is connected to multiple Arduino. The connection is made with Bluetooth through HC-05 modules. At the moment I'm able to connect to one, but to connect to another module a different UUID seems to be needed. The standard is however 00001101-0000-1000-8000-00805f9b34fb. Is it possible to change the UUID of the HC-05 module or is there another way to connect to both modules at the same time?

  • I don't think, that this is possible. The UUID is not an identifier of this specific device, but an identifier of the interface type. It marks the HC-05 as providing an serial interface. – chrisl May 21 at 13:38

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