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Last activity 2018-01-16 09:32:58 +0100 by Ketil

Increasing sensor update rate in Thingy:52

Hi,

I'm looking at increasing the sensor update rates for the Thingy:52, and get more frequent readings into the sample app. Let's assume I want to change the temperature sensor frequency.

Following this question, I assume that ... (more)

222
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no
votes
1
answer
Last activity 2018-01-12 23:31:01 +0200 by Emil Lenngren flag of Sweden

Gap Connection Event Length changes when using different smartphones

First about my setup: custom devices with NRF52832 chips (SoftDevice 132 v.4.0.2), android smartphones Nexus 5x and 6p.

I'm trying to connect as many BLE devices (peripherals) as it is possible to a smartphone (central) within ... (more)

28
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1
vote
1
answer
Last activity 2018-01-11 12:46:43 +0100 by Hung Bui

Command to come out of Bootloader back to Application

The device is broadcasting as "DfuTarg" and i want it to come out of the bootloader mode back to the application mode. Is there is a command i can issue to Secure DFU Characteristic (8ec90002-f315-4f60-9fb8-838830daea50) that forces device to restart ... (more)

30
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no
votes
1
answer
Last activity 2018-01-08 10:44:39 +0200 by Aleksander Nowakowski

BLUETOOTH_PRIVILEGED error HID keyboard

Hi all, I have compiled the ble_app_hids_keyboard example for a nRF52832 on a Laird DVK-BL652 breakout board. I have a tablet running android 5.1.1 and the nordic nRFConnect tool. I find that I can connect the nRFconnect app ... (more)

29
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no
votes
1
answer
Last activity 2018-01-05 18:47:44 +0100 by yacine

long write: receiving partial data only

hello,

I'm trying to send long (73B) data on a given characteristic using Android client as the central.

I well received:

  • USER_MEM_REQUEST OK
>     #define BLE_TDS_MAX_LONG_WRITE    256


> case BLE_EVT_USER_MEM_REQUEST:
>         NRF_LOG_DEBUG("BLE_EVT_USER_MEM_REQUEST\r\n");
> 
>         mem_buffer.len = BLE_TDS_MAX_LONG_WRITE;
>         mem_buffer.p_mem = (uint8_t *) malloc ...
(more)

22
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no
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no
answers
Last activity 2018-01-03 16:50:56 +0200 by chris

Bluetooth Privileged permission error Keyboard HID with nRF52832 [closed]

Hi all, I have compiled the ble_app_hids_keyboard example for a nRF52832 on a Laird DVK-BL652 breakout board. I have a tablet running android 5.1.1 and the nordic nRFConnect tool. I find that I can connect the nRFconnect app ... (more)

58
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no
votes
1
answer
Last activity 2018-01-03 08:28:13 +0200 by endnode

Unable to see list of devices on Nexus 7(6.0.1 (MOB30X)) with Android 6.0.1

Once the Nexus 7 wakes up from deep sleep, we are unable to get scanned devices on Nexus 7.

Turning off the Bluetooth and turning it on again does show the devices. Is it a known issue?

50
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no
votes
1
answer
Last activity 2017-12-20 11:49:43 +0200 by narola

Change mini beacon UUID, Major, Minor Programatically

I have Nordic nRF52832 mini beacon device. How can i change UUID, Major,Minor values from Android and iOS app. Is it possible to change the those values from app ? If yes then HOW ?

Please help me as soon as ... (more)

286
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4
votes
1
answer
Last activity 2017-12-08 10:04:40 +0200 by Martin Børs-Lind flag of Norway

Samsung Galaxy S8 cannot find nRF52 after Directed Advertisement

We have a discovery issue that seemingly only happens with the Samsung Galaxy S8.

We are using the nRF52832 with SoftDevice S132 v2.0.1, and do directed advertisements to the last connected peer when disconnecting. We do not use ... (more)

79
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no
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no
answers
Last activity 2017-12-07 13:35:08 +0200 by Ketil

Problem discovering services with lower tier Android devices

Hello,

I have a problem when I try to use cheaper Android phones to communicate with our 52832 chip.

I can discover the peripheral and then connect, but when I device.discoverServices() the software pauses for about 10 seconds, and ... (more)

28
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1
vote
1
answer
Last activity 2017-11-29 02:13:26 +0100 by RK flag of Singapore

Android phone keeps broadcasting even when connected

I have a server running on my Android phone. I looked at the service UUID encoded in the advert packet using and Wire-shark and confirmed my app is broadcasting packets.

However, when the app is connected to an NRF central ... (more)

75
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1
vote
1
answer
Last activity 2017-11-21 15:13:57 +0100 by VB

FDS record download on android

Hi,

I am wondering if its possible to download a fds record on android device when connected ?

I want to save data and retrieve it when I get connected to it.

Thanks

290
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1
vote
2
answers
Last activity 2017-11-20 19:07:04 +0200 by Sween

Is there a way to increade data rate from BLE device ?

Hi,

I'm retreiving data from my Running Speed and Cadence BLE device to my Android smartphone. The BLE device is the Polar Stride.

The problem I have is that the data I receive is only sent every seconds. Is ... (more)

72
views
1
vote
1
answer
Last activity 2017-11-14 10:48:06 +0200 by Hung Bui

Is there any example of using nRF51 UART for iOS similar to for android?

I am developing a solution that needs to use nRF51 UART to send streaming data and I found a great example for android at GitHub, however the application is multiplatform and I need an example of how to do in ... (more)

74
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no
votes
1
answer
Last activity 2017-11-13 14:03:25 +0200 by Petter Myhre flag of Norway

PIN access on app for BLE device

I would like to know how to create a prompt that asks for a PIN before a user gets access to pairing to a BLE peripheral. Currently I'm using a CurieBot and once it's found via the app ... (more)

39
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no
votes
no
answers
Last activity 2017-11-09 06:59:14 +0100 by Light

Can't start DFU with nRF connect/Tool box on Android OS

I work with nRF52832, based on SDK 14.0.0, and I have done DFU operation successfully with nRF connect on iOS, but when I used Android phone, nRF connect couldn't start DFU, it just displayed "disconnecting" and quited ... (more)

82
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no
votes
1
answer
Last activity 2017-11-07 11:35:41 +0200 by enes.sakut

How to receive nRF51 BLE device from android phone notifications?

Hi I'm creating an android app for smartwatch(used nrf51 ble),I have two questions

1.I used ANCS(Apple notification center service) in my android app,but nrf51 device didn't read anything.I added ANCS UUID,characteristics ... (more)

97
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no
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no
answers
Last activity 2017-11-06 21:24:32 +0200 by ckellerman

nRF Cloud Gateway Android Beta

Has anyone been able to successfully connect a BLE device to nRF Cloud using an Android device as a gateway?

I don't see many posts or discussions around this topic. After following the steps of "Add a Gateway" on ... (more)

123
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2
votes
1
answer
Last activity 2017-11-04 01:49:28 +0100 by Zaeer khan

Need UART service only in nRF toolbox

Hi All,

I am a beginner in app development. I am working on a project where i am supposed to transfer texts to my pca10040. Although i wanted know if i can modify nRF Toolbox 2.4.0 such that ... (more)

22
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no
votes
no
answers
Last activity 2017-11-02 05:16:57 +0100 by kaochin

DeviceScan uses the android studio with miniSdkVersion newer than SDK21

Hi: I download the google official example "android-BluetoothLeGatt" from github In the original code, the SDK26 is used, but it can not find any BLE device.

If the minSdkVersion is modified as 21, it can works proper.

Does anyone suffer ... (more)

121
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no
votes
no
answers
Last activity 2017-11-02 00:09:29 +0200 by Fanis

Bonding request on connect

I've got a little confused about variety of peer/bonding/whitelist abstractions realized in NRF5 SDK. My goal is to maintain longterm connections (nrf52832 peripheral + smartphone central) only with bonded devices. I've successfully protected my BLE characteristics' data ... (more)

204
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no
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no
answers
Last activity 2017-10-31 04:23:31 +0200 by vtarantik

Unable to connect to bonded device on Android

Hi, I have a problem with BLE connection. When I bond to the device and then connect, everything works and connection is stable. When I kill the app and try to connect again to the bonded device, I get disconnected ... (more)

72
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no
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no
answers
Last activity 2017-10-30 21:19:52 +0200 by Rob Lewis

Bluetooth HCI snoop log analyzer for Mac? (GATT_INTERNAL_ERROR)

Is there a good Mac log analyzer for Android's btsnoop_HCI.log file?

I'm trying to debug an Error 0x81 (GATT_INTERNAL_ERROR) that is being returned when I try to write characteristic 2a52 (the Record Access Control Point) in a ... (more)

79
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no
votes
no
answers
Last activity 2017-10-25 01:20:13 +0200 by Usama Aftab

OnError is triggering in Nordic Android API during DFU

I am having problems implementing Device Firmware Update in Android. The specs of my development environment is:

  • Samsung Galaxy S7 Edge.
  • Nordic DFU API v1.5.1
  • Nordic SDK 12.0 on Peripheral.

I don't have any problem starting ... (more)

136
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no
votes
1
answer
Last activity 2017-10-24 09:23:28 +0200 by Bjørn Kvaale

Sending data to Arduino 101

I would like to start off by saying I am not a very experienced programmer and I only have base knowledge of Java and Android Studio. Furthermore, I have no experience in Bluetooth communication or BLE. I've done a ... (more)

64
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no
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no
answers
Last activity 2017-10-22 10:23:36 +0100 by Stas

uart android app best template

I want to create own android app with just nus service (uart).I'm not very good in android programming, so there are two ways for me doing that: 1. Use Android-nRf-uart example on github pros: what I need. There ... (more)

83
views
no
votes
1
answer
Last activity 2017-10-17 08:27:32 +0200 by tommik

Type 4 tag NDEF record update

Hello,

i am working with SDK 14 type 4 tag library on NRF52832 hardware. I've based my code on the example "writable ndef msg".

When receiving a record, the NFC handler assumes, that NLEN is first updated to 0 ... (more)

87
views
no
votes
1
answer
Last activity 2017-10-16 16:12:31 +0100 by Aleksander Nowakowski

Can I modify 'access modifier' of mService instance in the BleProfileServiceReadyAcvitiy?

I'm building an android application using BleProfile classes in the nrftoolbox.

I want to request characteristic write to a peer(nRF51) in MyApplicationActivity inheriting BleProfileServiceReadyActivity.

To do this, MyApplicationBinder inherit LocalBinder in the MyApplicationService and I added new methods ... (more)

87
views
2
votes
1
answer
Last activity 2017-10-13 13:05:36 +0100 by Joakim Jakobsen flag of Norway

Android/ios starter guide

Hello,

I am an android developer and very new to Nordic. I have a client who wants me to develop an android app which can update his Nordic (nrf52) device firmware OTA. There are some other features of his nordic ... (more)

150
views
2
votes
1
answer
Last activity 2017-10-09 07:50:33 +0200 by soumil

Parsing of Advertising Data in Android and IOS.

Hi,

We are integrating a 3rd party device with our application and while we were parsing advertising data, we found the same data received in Android at 3rd and 4th index of the advertising packet, while in IOS it is ... (more)

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