Questions tagged as 'bluetooth'

Tagged questions
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Connect Multiple Bluetooth Speakers in Raspberry Pi

I'm trying to connect several bluetooth devices with Raspberry PI to use them as speakers. I'm using RetroPie as a distribution, because of the tests I've done, it's the only one that matches and allows continuous synchronization with several...
asked by 14.10.2018 / 16:19
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How to create a Bluetooth Service on android?

I am making an application that searches and connects to bluetooth devices My problem is that when I change Activity and return to close the connection my BluetoothSocket returns to NULL and when I call the method for close()...
asked by 08.10.2018 / 23:54
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Bluetooth Android-Studio connection: Problems with BroadcastReceiver and ACTION_FOUND

I'm trying to set up an application that searches for bluetooth devices and add them in in ListView. At the moment I managed to turn on and off bluetooth, show previously linked devices and start searching for devices, the problem is that it...
asked by 03.10.2018 / 06:55
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Query thermal impression via bluetooth android studio [Byte]

Good to you I have a thermal printer with which I want to make impressions, I found this program link and works well but uses a class that formats the text that is going to print and I do not understand it very well I show you the code PRIN...
asked by 24.09.2018 / 17:12
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ACTION_FOUND does not get devices

I'm trying to get a list of devices with bluetooth but not ACTION_FOUND is not working, it's my first bluetooth test app, I hope you can help me. this is my MainActivity public class MainActivity extends AppCompatActivity { private List...
asked by 01.08.2018 / 06:25
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My device can not find other Bluetooth devices with startDiscovery ();

Hello, I was developing an app to learn how bluetooth devices work and create a simple, one button to activate startDiscovery (); and save 3 attempts, when it starts looking for another when it finishes searching and another when it finds a devi...
asked by 10.07.2018 / 18:04
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Connecting with a Linked Bluetooth Device

I use the following code to get a list of all the linked devices in the mobile phone: BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); Set<BluetoothDevice> pairedDevices = mBluetoothAdapter.getBondedDe...
asked by 21.05.2018 / 23:55
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ESC / POS commands

Good if anyone can help me I would be very grateful. I have an App made in Xamarin.Android and C # and it is finished and the problem I have is for printing. For example I need to know how to create ESC / POS commands to send it to a Bluet...
asked by 18.04.2018 / 16:44
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Send audio to Bluetooth device C #

In .Net there is no library to send audio (linking before with the device) by bluetooth? I only see examples to link devices and send files, telegrams etc ... But not to make an audio Stream ...     
asked by 14.04.2018 / 10:04
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Problem sending data HC-06 on Arduino

I was trying to transfer data using an HC-06 module and everything was fine at first, since I could receive them via Bluetooth on my smartphone. But it turns out that after a while (between 5 and 15 minutes) stops transmitting, and I do not know...
asked by 10.04.2018 / 16:07