All Questions
Tagged with bluetooth-lowenergy c#
380
questions
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36
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.NET MAUI BLE app not showing any services
I am trying to develop an application that connects to a BLE device (ESP32) and read the data sent by it using Plugin.BLE and .NET MAUI.
BTPage.xaml.cs
using Plugin.BLE;
using Plugin.BLE.Abstractions....
1
vote
1
answer
55
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How to Advertise More Than 31 Bytes Using Bluetooth Advertisement Publishers
I am working on a sensor simulator for testing purposes. The sensor I want to simulate is a BlueMaestro humidity and temperature sensor.
I need to advertise 57 bytes, but I am currently unable to send ...
- 13
2
votes
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36
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Enable Data-up mode to BLE device, using AT commands
I am developing a UWA project with Visual Studio and C#, using the WIndows.Devices.Bluetooth standard library, which:
Connects to a BLE device
The BLE module embedded into the device is BGX220P
The ...
- 21
0
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58
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Receiving Gattcallbackerror:22 .NET MAUI app
I am trying to connect and send data from one device to another connected device using a .NET MAUI app and Plugin.BLE.
showData.xaml.cs
using InTheHand.Bluetooth;
using Plugin.BLE;
using Plugin.BLE....
0
votes
1
answer
46
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Register for GATT Characteristic value change notifications from c# using win32 API
I am trying to register for GATT Characteristic value change notifications using the win32 API from c#. I am able to get a handle to the device and get the relevant GATT service and characteristic. ...
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76
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Xamarin BLE Scan In Background with iOS 17
I've been utilizing the provided code to perform a Background BLE Scan within Xamarin, specifically targeting iOS projects. It has worked flawlessly until I updated my iOS device to version 17.
Below ...
0
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0
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52
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Unable to find advertisements with BluetoothLEAdvertisementWatcher
I'm trying to make an app that advertises a payload and another than scans for and picks this up using bluetooth low energy. However when i use a windows(11) device to advertise and another windows(10)...
- 41
0
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1
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157
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BluetoothLEAdvertisementWatcher.Received is not supported by the language; try directly calling accessor methods .add_Received
I am following a video tutorial about Bluetooth connection uploaded to this github repository specific code file https://github.com/angelsix/blueberry/blob/master/Source/Blueberry.Desktop.WindowsApp....
1
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1
answer
154
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EFR32BG22 BLE in SPP mode with PC (Windows 10) won't connect
EFR32BG22 BLE in SPP mode with PC (Windows) won't connect.
Hello everyone,
I'm trying to run a bluetooth connection between Thunderboard and PC in SPP mode. The whole project is based on examples ...
- 79
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51
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'IAsyncOperation<BluetoothLEDevice>' does not contain a definition for 'GetGattServicesAsync'
I would like to send bytes to a BLE device via an application developed in C#.
To connect to the device I found this portion of code:
var bluetoothLeDevice = BluetoothLEDevice.FromIdAsync("...
- 679
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193
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Set Bluetooth Low Energy Connection Interval to 7.5ms (Minimum) in C#
I am connecting to a Bluetooth Low Energy (BLE) device from a C# console application using the 32feet InTheHand BLE library.
I would like to set the connection interval to the minimum possible (7.5ms),...
0
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0
answers
72
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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 ...
- 1
0
votes
1
answer
148
views
BLE Cycle Trainer Write Characteristic UUID 2AD9 - How to adjust resistance based on what's happening in game?
Hello overflow friends,
I'd be eternally grateful if one of the resident BLE geniuses on this forum wouldn't mind helping me. I've been trying to build a little cycling game in c# and so far I've ...
1
vote
0
answers
175
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Long Range USB bluetooth for PC - Read data with C#
I am working on desktop app where I need to read the scan data from USB bluetooth dongle. The signals are broadcasting and long range USB bluetooth can receive it.
As per my understading as this USB ...
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answers
247
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C#, BLE, BT5.0 - GetGattServicesAsync hangs forever. Why and is this a known issue?
I had to implement a bluetooth low energy interface in an older Software for the communication with Bluetooth devices. It's a WPF application targeting .NET Framework 4.8. To access the Windows....
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