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Questions tagged [bluetooth-lowenergy-4.2]

13 questions
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CoreBluetooth iOS api changes: BLE 4.0 vs BLE 4.2

I am trying to get under the hood of BLE 4.2 and how this affects the product design as well as iPhone development. A: What are the CoreBluetooth API changes to support BLE 4.2? Has there been any? B: How is device pairing implemented in 4.0…
mm24
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1 answer

android.bluetooth.device.action.ACL_CONNECTED received after device disconnected

I am working on Bluetooth Low Energy Device(Weight Scale). I have observed few things. When I am trying to disconnect with BLE device, it disconnects. I also removing bond by calling following line. method =…
Aanal Shah
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1 answer

Pairing differences between Bluetooth and Bluetooth LE?

Is there any (big) technial difference between pairing 'normal' Bluetooth devices and pairing Bluetooth LE devices? I found a lot of information for Bluetooth LE pairing, but not for normal? For example Info 1. So is this information for normal…
SteffenH
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BluetoothGattCharacteristic.permissions always 0

I'm trying to get the permissions for a particular characteristic but regardless of which characteristic I look at the permissions value is always 0. I've tried on a Samsung Galaxy A10 running Android 9 and a Google Pixel 6a running Android 12 and…
Hester
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React Native Cli Ble(Bluetooth Low Energy) Device Scan (Not Expo)

I am developig mobile application using react native.Application has to connect iot device using ble.I used react-native-ble-plx library.In this library i used startDeviceScan function of this library.But function does not work.I will share my…
Muhammet Aydoğan
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1 answer

Bluetooth LE not scanning for devices

I've been building an android app. I use my galaxy s4 and galaxy not 10 for debugging purposes. When I use my Galaxy s4 I am able to scan and view other devices. When I use my note 10 it doesn't show the nearby Bluetooth device. I have enabled…
Laren Mark D'Cruz
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How to get ATT HANDLE of UUID on BLE Advertiser

I have created a simple BLE advertiser using Python's dbus Library (Bluez 5.48). This sample application adds one service, and and this service has 2 characteristics. On starting advertiser, all services and Characterictic UUID will be assigned a 16…
Ekayaa
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0
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Raspberryy pi 3 BLE Devices

I am new to android.I have Raspberry pi 3 device.I can connect mobile device to Raspberry pi 3 over classic Bluetooth.now i am confused about Raspberry how to connect mobile device to Raspberry over bluetooth low energy.we can connect BLE device to…
Sheik Vishnu Yass
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How does command response work in a BLE device?

I am able to connect to a BLE device. Then into the command services Writable Characteristics, I am writing a command. OnCharacteristicsWrite returns the GattStatus as Success as well. Where can I obtain the response to the command?
Midhun Kumar
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ATSAMB B11 BLE Pressure

Hi I am developing an application where an ATSAMB11 device has to send pressure data (from 0 to 6 bar with 5mbar steps) through BLE. I was just wondering if I should implement a custom service and characteristics or I can use the blood pressure…
sk245230
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Android BLE callback OnWriteCallback stops after few seconds

I am trying to write next packet synchronously based on the OnCharacteristicWrite call back condition to achieve a maximum throughput. But for some reason it stops triggering OnCharacteristicWrite callback at very initial after 1-2 sec of period and…
Nikhil Shinde
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How to check bluetooth profiles supported by other BLE devices?

I want to check BLE profiles supported by slave devices in Bluedroid. Is there any tools/apps to do that?
tusharrnimje
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Bluetooth Low Energy (BLE) peripheral app for android

I want to write a sample BLE peripheral app for android. I have two nexus 6 devices and I want to use one of them as the central and another one as the peripheral. For central, I am using the BLE scanner app and I changed that a bit to create bond…
user299012
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