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Last activity 2017-12-13 16:14:39 +0200 by SørenHN flag of Denmark

How to know when a mesh node has been configured?

This might seem like a really banal question, but i could need some clarification on this.

My understanding is that the config_client should be used on the network provisioner node and the config_server should be used on all devices that ... (more)

136
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1
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1
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Last activity 2017-12-13 14:48:25 +0200 by SørenHN flag of Denmark

Bluetooth Mesh key generetion and handling?

The Bluetooth Mesh Light Switch example shows how to work with keys for a Mesh Network. But I have some questions about who generate the keys and what they are used for.

The example provisioner uses these keys:

dsm_handle_t m_netkey_handle ...
(more)

13
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Last activity 2017-12-13 14:45:48 +0200 by SørenHN flag of Denmark

Virtual addresses and their use?

Bluetooth Mesh Glossary of Terms mentions 3 different kinds of addresses: Unicast Addresses, Group Addresses and Virtual Addresses.

I think I understand what a Unicast Addresses is. But just to be sure; it's the element number for which, whatever ... (more)

26
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1
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1
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Last activity 2017-12-13 09:38:45 +0200 by titof49

thingy: is there someone who used polyfill web bluetooth ?

Hi

Is there someone who used polyfill under windows to run the thingy html5 example ? ( chrome and Bluetooth work around to have the application running)

Already thanks for your responses ;->>

Br

Christophe

35
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1
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1
answer
Last activity 2017-12-12 12:49:00 +0200 by Torbjørn Øvrebekk

nRF52832 Advertising Energy Profile

This is the Energy Profile that is shown for the nRF82832 and I am wondering about the RX/ switch parts. I assume these RX phases are for receiving scan requests? What happens if I set advertising mode to ADV_DIRECT_IND or ... (more)

30
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2
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1
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Last activity 2017-12-12 11:18:56 +0200 by Martin Børs-Lind flag of Norway

power consumption of S130 (use as peripheral only) vs S110

Hi there,

I was trying to use S110 to implement my project but found there is no more release for that after SDK 8 and I have concerns on bug fixes won't be merged back.

As S130 can work ... (more)

30
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no
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1
answer
Last activity 2017-12-12 09:03:00 +0200 by endnode

Is it possible to know the channel state information (CSI) from nRF chips?

Hi,

I'm wondering if CSI is available on nRF chips. It can be used for advanced sensing purpose. There have been tons of works on WiFi sensing through CSI. Is it by any chance stored in some registers or ... (more)

29
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no
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1
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Last activity 2017-12-11 16:37:20 +0200 by endnode

Can I "listen" to the data between two devices (under my control) using a third device to get rssi?

What I am trying to accomplish is to establish a connection between an iPhone (device 1) and an NRF52 (device 2), then sniff the data sent between them from a third device (also NRF52, device 3) to get an RSSI ... (more)

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2
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Last activity 2017-12-09 09:38:22 +0200 by endnode

Recommended SoC for years of battery life.

Hello

I am new to Nordic's product line. I would like to know if there is a recommended Bluetooth 5 SoC for wearable products that require years of battery life. For example, what would be used in a heart ... (more)

39
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Last activity 2017-12-09 07:50:40 +0200 by vishal

Problem with Wi-Fi communication and BLE communication?

Hi,

I am trying to send data to server using ESP8266 WiFi module interface with nRF52832 DK board via UART interface. My problem is when i sent AT command to ESP8266 it get respond but i want to set SSID ... (more)

58
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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)

63
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Last activity 2017-12-06 14:52:57 +0200 by Christian

NRF52840 Coded Phy Sensitivity with soft device 6.0.0-6.alpha

Hi,

although the NRF52840 has a nominal receiver sensitivity of -103 dbm I am only able to get a sensitivity of around -97 dbm. I know there was a bug in older soft device versions resulting in a decreased sensitivity ... (more)

571
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1
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1
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Last activity 2017-12-06 10:30:30 +0200 by Mostafa Berg

iOS nRF Toolbox tx/rx characteristic?

Hi all, I'm using the nRF iOS Toolbox as a reference to design an app. Can someone please help me in terms of which swift code file I need to use to read and write data to the nrf51 ... (more)

24
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Last activity 2017-12-06 07:55:01 +0200 by utkarsh

Connect via external MCu

Hey, I am using WT51822-S4AT module and want the nrf51822 to connect to phone. I don't have nrf51-dk. I am using stm32f0-discovery kit. Can it be done using that kit? I searched for examples but coudn't find anything.

73
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2
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2
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Last activity 2017-12-06 02:20:30 +0200 by mantap

how to convert 2's complement ADXL345 data to nRF51 UART? needed help

finally I have done to implement that ADXL345 can throw data over BLE using nRF UART app service with this code. now my problem is how to change 2's complement ADXL345 data to array of string/character.

here it ... (more)

23
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Last activity 2017-12-05 15:00:50 +0200 by chirag lakhani

Failed to locate the pc_ble_driver shared library

Hi, We are facing issue related to pc_ble_driver shared library at the time of run script.

Traceback (most recent call last):

File "SDFTest.py", line 414, in <module> init(sys.argv[1])

File "SDFTest.py", line 70, in init from ... (more)

21
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Last activity 2017-12-05 13:14:22 +0100 by Alex Vegner

May be a beacon qualified as BLE 4.x device without random?

I have a problem with some beacons which don't follow BLE specification. Namely BLUETOOTH SPECIFICATION Version 4.2, 4.4.2.2 Advertising Interval section. The problem is that my beacons don't have random addition at all... I ... (more)

39
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2
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1
answer
Last activity 2017-12-04 19:26:19 +0200 by Sansei

BLE support for having multiple active connections (to multiple centrals) with NRF51822 while it works as peripheral

Hi all, I'm asking on both BLE specification version 4.0 (or more) and NRF51822 S130 about having support for multiple central connections at the same time while our NRF51822 device works as the peripheral role.

Base on the ... (more)

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2
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Last activity 2017-12-04 14:59:41 +0200 by Torbjørn Øvrebekk

Nordic Thingy Bluetooth Speaker Control

Dear Nordic Development community,

I have a very interesting project going on based on bluetooth speaker controls.

In short words, i'd like to control the sound level of a speaker by Nordic Thingy's 9-axis accelerometer. For example, if ... (more)

59
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1
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2
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Last activity 2017-12-04 14:01:57 +0200 by hunasdf

nRF51822 does not found service

Hi Guys,

I am new in BLE world, so sorry if I ask stupid questions.

I have a Simblee RFD77101 and a nRF 51822 chip. I would like to connect from nRF51 to Simblee and change data via BLE.

I ... (more)

88
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1
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2
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Last activity 2017-12-04 08:36:52 +0200 by Rahul

dumping code in NRF52832

hiii friends,

i have developed new board using nRF52832 xxAA. i am dumping code in this using nrf52 DK and it is working fine but when i am removing power from this and reconnect power it is not working. but ... (more)

86
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1
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1
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Last activity 2017-12-03 14:12:05 +0200 by mantap

How Receive ble_uartservice using pc serial console, but can't loopback ADXL345 data using nRF51 UART.needed help

This is my coding implementation using mbed online compiler mbed code and this is serial pc result

image description

and this is the result over BLE using nRF UART app image description

how this program using serial pc console not synchronize with ADXL345 i2c ... (more)

47
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2
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1
answer
Last activity 2017-12-01 13:36:14 +0200 by SørenHN flag of Denmark

Reading Bluetooth beacon data with Mesh SDK?

I want to read data, advertised by a bluetooth beacon. I have made this work before with SDK v14 using NRF_SDH_BLE_OBSERVER() to register a handler function to handle BLE_GAP_EVT_ADV_REPORTmessages.

But now I am working with Mesh SDK v0.10 ... (more)

22
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Last activity 2017-11-30 14:55:23 +0200 by GOWTHAM

Potential clash between clear function in Pstorage and BLE NUS string function

We have a potential application where we have to send data over BLE at 3kbps and store in external flash memory at 8kbps. The last memory accessed in external flash memory is stored in internal ROM of NRF52. But when ... (more)

65
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1
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1
answer
Last activity 2017-11-30 13:36:27 +0200 by Ketil

How to program Bluetooth Mesh server on provisioning device?

The Bluetooth Mesh Light Switch example provides an example of how to program a Bluetooth Mesh application where the client model is on the provisioner device and the server models are on other devices.

I am having problems figuring out ... (more)

33
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no
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1
answer
Last activity 2017-11-30 13:26:11 +0100 by Torbjørn Øvrebekk

nrf 51822 change Tx power from +4dBm to -20dBm how much power can it save?

Hi all,

Anyone has tried if the Tx power of nrf 51822 is changed from +4dBm to -20dBm, how much power (%) can it save, in a ballpark figure?

Thank, Carl

54
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3
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2
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Last activity 2017-11-30 11:49:21 +0200 by alberto

plug and play SPI

hello:

I'm looking for a bluetooth solution for our equipment. We need a chip that simulates a serial port, what we send by SPI port, it is received in the mobile and the data sent by the mobile is ... (more)

66
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2
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2
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Last activity 2017-11-30 11:05:44 +0200 by Ketil

developing iOS applications related to Nordic ’s nRF 52832.

I am currently developing iOS applications related to Nordic ’s nRF 52832. So, I have some questions and I will ask you a question. Send the electrocardiogram waveform obtained from the vital sensor to the iOS application using Bluetooth communication ... (more)

45
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Last activity 2017-11-29 23:14:47 +0200 by trigerion

SAADC with soft device and low-power mode

Hello,

yesterday I measured the current of our device and found out that it looks more as a square instead of spikes when no device was connected. Found out that when I established a BLE connection it looks as expected ... (more)

60
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1
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1
answer
Last activity 2017-11-29 15:20:17 +0200 by rolandash

Why MTU over 147 bytes prevents connection with iPhone 7?

Hi

We are developing ble peripheral application for the nrf52832 using SDK v13.0.0. and everything was working correctly until we tried ble connection with the iphone 7 with ios 11.1.2. iPhone 6 with the same ios ... (more)

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