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0 votes
0 answers
72 views

How do I make a GATT server's read characteristic editable?

Im working on making a GATT server that can be connected to by a client application, that will eventually send data to said client. the way I understand it, is that the only value the client can see ...
Luke D's user avatar
  • 1
0 votes
1 answer
494 views

Create a Bluetooth Low Energy BLE GATT Server with .NET C#

I'm trying to create a C# Windows App in Visual Studio 2022 that with the click of a button creates a BLE Gatt server with a custom service with its UUID and a custom characteristic with its UUID also,...
Hector's user avatar
  • 3
0 votes
0 answers
126 views

How to get Extended Inquiry Response for a connected bluetooth device in UWP or Winform?

I need to get the EIR data of connected Bluetooth device. How can it be done in UWP or Winform? I got some data using LE advertisement watcher. Where I got data sections and there is a 0x09 where I ...
MARJAN KHAN's user avatar
0 votes
0 answers
118 views

GattLocalCharacteristic WriteRequested & ReadRequested events stop responding

I have been developing BLE peripherals on UWP. I have to send a file to the mobile client. I divide the file into chunks on the server and ask the client for a WriteAsync request. The chunks are ...
Santos's user avatar
  • 76
0 votes
0 answers
41 views

Writing BLE notifty characteristic fails from uwp app

I have a Windows UWP app that is configured as a Peripheral, and advertises one Service with two Characteristics: Outgoing messages (Notify) Incoming messages (WriteWithoutResponse) I can connect to ...
DefenestrationDay's user avatar
0 votes
0 answers
343 views

Read operation on a BLE characteristic in windows UWP returns a max buffer of 20 bytes

Background: I have a custom Bluetooth embedded C app on a STM32 Bluetooth module. The application has multiple services each having multiple characteristics of varying lengths. I'm writing a C# PC ...
Lenny018's user avatar
0 votes
0 answers
165 views

Bluetooth Low Energy, Gatt, UWP, read, write notify application

I am working on a UWP BLE application and my device is a wahoo kickr Fan which increase its fan speed according to the heart rate, I am trying to crack the fan and I am writing the values to increase ...
Fahad Khan's user avatar
0 votes
0 answers
425 views

How to control RX/TX size for a BLE connection in a C# program running on Windows?

I am connecting to a BLE device from a C# program using the Windows.Devices.Bluetooth WinRT API. The code uses an BluetoothLEAdvertisementWatcher for scanning to verify the device is in range, then ...
LWChris's user avatar
  • 3,974
0 votes
1 answer
213 views

GattServer conflcits with Microsoft Advertising Beacon on Hololens 2

i'm experiencing weird issue with HL2. I'm working on BLE unity app and as such i've created gattserver that exposes a gatt service and some characteristics. Nothing fancy. It was working just fine. I ...
trueillusion's user avatar
0 votes
0 answers
232 views

BLE read write and notify error , 'Exception from HRESULT: 0x80650081

I am writing an application to read from and write to a bluetooth low energy device(indoor bicycle trainer) and i am trying to write the values to its characteristics. I am following the microsoft.com ...
Fahad Khan's user avatar
2 votes
0 answers
328 views

Bluetooth notify gatt characteristic losing data

I am receiving a large amount of real-time data from a BTLE device using a notify GATT Characteristic. We're definitely reaching the bandwidth limits of the protocol, the device is capable of sending ...
Ryan_S's user avatar
  • 313
0 votes
0 answers
366 views

BLE Pairing gets stuck after Unpairing with nRF Connect App

I encountered a strange problem when trying to unpair and pair again with my smartphone. Currently I write a C# application on UWP (Windows 10) for BLE connection with a remote device. I use my ...
Thern's user avatar
  • 1,059
0 votes
1 answer
459 views

WIndows automatically connects to my BLE device

I have a BLE device I am trying to write an application to communicate with. I am facing a really annoying issue - windows automatically connects to my BLE device. This is a very big issue for me, ...
малин чекуров's user avatar
0 votes
0 answers
343 views

WinRT BLE BluetoothLEDevice.GetGattServicesAsync unreachable Bluetooth 5

I have a.NET V4.72 Application with Microsoft.Windows.SDK.Contracts V10.0.22621.2 to access WinRT Bluetooth Low Energy API. It works ok with BLE 4.2 devices, but when I try to make it work with BLE 5....
малин чекуров's user avatar
2 votes
0 answers
582 views

Custom DeviceInformation PairAsync gives RequiredHandlerNotRegistered result

I am working on a WPF application to communicate with a BLE enabled device. I am using the PairAsync function from Windows.Devices.Enumeration.DeviceInformationCustomPairing class, but I have noticed ...
Muhammad Ali's user avatar

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