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23,726 questions

34
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1
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1
answer
Last activity 2017-07-20 11:56:40 +0200 by levshkatov

Can't connect Android to nRF52832

I'm trying to create a connection between Android 6.0 and nRF52832. I created a service, like in tutorial, added it's uuid to adv packet (I seeit in nRF Connection). I can connect to it using nRF Connection ... (more)

45
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1
vote
1
answer
Last activity 2017-07-20 11:14:50 +0200 by Joakim Jakobsen flag of Norway

Master control panel is not working

Hi

I am using NRf 52832 dk ( PCA10040 V1.1.1 ). master control panel is not working please give me the solution. I attached the one image file image description

37
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no
votes
1
answer
Last activity 2017-07-20 11:06:35 +0200 by Bjørn Spockeli flag of Norway

Schematic nRF52832

image description

Hi everybody,

I will to use the nRF52832 QFAA for a drone, and I carried out this schematic for this chip. I have two questions : For the capacitor C6, which value should be used ? Could you please tell me if ... (more)

47
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no
votes
1
answer
Last activity 2017-07-20 10:51:45 +0200 by Bjørn Spockeli flag of Norway

how to set HWID to 52 in ble_mesh_v0.9.1-Alpha?

Hi there, I've already downloaded ble_mesh_v0.9.1-Alpha SDK and I can use arm-none-eabi-gcc to compile it, one thing I want to know is that how can I switch HWID to 52 in order to build firmware for nRF52 ... (more)

79
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no
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answers
Last activity 2017-07-20 10:49:47 +0200 by Alice

nRF Toolbox couldn't do OTA using Bluetooth 5

Hi

We are using the nRF52840 and the application is OK now. Then I do the OTA using a Android phone which supports Bluetooth 5 and it's made in our country. I use the nRF Connect to connect the ... (more)

19
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no
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answers
Last activity 2017-07-20 10:38:19 +0200 by Jørgen Holmefjord flag of Norway

SAADC with 8 channels do not map correctly on PCA10040

I am trying to measure the ADC on all 8 ADC pins of the nRF52 on the PCA10040. I'm noticing quite large amount on noise on floating lines (up to 0.6V). However my biggest issue is how the ... (more)

29
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no
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no
answers
Last activity 2017-07-20 10:12:59 +0200 by Akinobu Yokawa

Cannot receive UART on ble_app_uart with nRF52382

I am running the ble_app_uart example in SDK 13.0 with nRF52382.

  • First issue

The app can receive data via UART only when I use "Termite" as a terminal emulator. If I use "TeraTerm", "Putty" and "RealTerm" to send data ... (more)

33
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1
vote
1
answer
Last activity 2017-07-20 09:25:10 +0200 by Jørgen Holmefjord flag of Norway

looking for example Gazell project on Nrf52840

I am looking at using two Nrf52840 on Custom PCBs to create a wireless link from my product to a PC one 840 would be the host and would be wired to the PC using USB (HID,MSC,CDC) and ... (more)

65
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3
votes
1
answer
Last activity 2017-07-20 08:48:26 +0200 by Bjørn Spockeli flag of Norway

Can OpenMesh be implemented for BLE 5 device?

I want to create a mesh network with multiple Nordic Thingy:52.

65
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no
votes
1
answer
Last activity 2017-07-20 08:18:37 +0200 by Jakub Rzeszutko

Issue with SDK 13.1.0 Power management

Hi there,

I have nRF52840-Preview-DK eval board. I have downloaded the “SDK 13.1.0”. I was trying out the power management example under the folder “..\nRF5-SDK_copy\nRF5-SDK\examples\peripheral\pwr_mgmt\” on IAR. This example doesn’t work out of ... (more)

21
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no
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no
answers
Last activity 2017-07-20 06:00:02 +0200 by Sourabh

Unable to perform secure serial DFU with nrf52 DK

Hi, I'm having trouble performing a secure serial DFU with the nrf52 DK, I'm using the following components :

  • SDK 13.0.0 : experimental_bootloader_secure_serial example
  • softdevice v4.0.2
  • nrfutil v3.2.0(standalone exe)

I've disabled flowcontrol ... (more)

27
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no
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no
answers
Last activity 2017-07-20 05:44:46 +0200 by Keenan Wulff

"No source available" error after changing RAM start address

I've looked around and found similar questions, but nothing has really led me to an answer.

I'm working with the NR51 devkit, Eclipse, and SDK 12.3.0. I'm working on a system that should be able ... (more)

4k
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4
votes
4
answers
Last activity 2017-07-20 02:04:22 +0200 by PydevDisabledDebug

single step buttons disabled on Eclipse

I've setup Eclipse GCC tools for building and debugging as per the nAN-29 app note (and lot of online help) and able to build the code. However, the debugging is working only partially. When the debug is launched, it ... (more)

76
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10
votes
1
answer
Last activity 2017-07-19 22:56:53 +0200 by endnode

How can I measure the advertising intervals of a peripheral?

I would like to know how frequently my peripheral is sending advertising and data packets. I've tried using ble-sniffer-osx but it doesn't actually reveal any device names for some reason, so it's not trivial to use. Is ... (more)

25
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2
votes
1
answer
Last activity 2017-07-19 22:29:40 +0200 by Greg Nowak

Peer Manager disconnect after connection with NRF52 and Android 7.0

I'm attempting to use Peer Manager with my nRF52832 module as a peripheral with an Android 7.0 phone as the central device.

My program is a mix between the NUS example and the Template (for the PM side ... (more)

49
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no
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no
answers
Last activity 2017-07-19 16:32:55 +0200 by q

NRF_log output to nRF Connect

Is it possible to have nrf_log print to the log in nRF Connect? (Or to Eclipse/RTT Client while not in debug mode)

If this question is answered somewhere else and I didn't see it, feel free to point ... (more)

29
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no
votes
1
answer
Last activity 2017-07-19 15:50:08 +0200 by Bjørn Spockeli flag of Norway

How to update to Softdevice S212?

Hi, I have an Adafruit Feather52 board which is preloaded with a serial DFU bootloader and the S132 Softdevice, of which I also have the merged Hex file. I would just like to update to the Softdevice S212 (ANT stack ... (more)

30
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no
votes
1
answer
Last activity 2017-07-19 15:03:47 +0200 by Haruki Kawakami

cannot update notification value

Once I call sd_ble_gatts_hvx() while ble connection handle is invalid(BLE_CONN_HANDLE_INVALID), I can never update notification value using sd_ble_gatts_hvx() though function result is NRF_SUCCESS.

Is this softdevice bug?

The expected operation is that the value can be updated whenever sd_ble_gatts_hvx ... (more)

52
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2
votes
1
answer
Last activity 2017-07-19 14:55:19 +0200 by shailav619

Using RTT viewer and Uart to send ESP8266 AT commands [closed]

Hello , I am using sdk12.2 and pca10028. I have implemented rtt viewer so that I dont need uart to debug or to print something. I am using uart to send AT commands to esp8266. I have tested individually and ... (more)

32
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no
votes
1
answer
Last activity 2017-07-19 14:49:20 +0200 by q

Only one service characteristic appears in nRF Connect

Hello,

I'm implementing a custom service and followed the tutorial here. I added a second characteristic by adding its own char_b_init function, creating a CHAR_B_UUID, creating a new char_b_handles in the my_service_t struct. However, only one of the two ... (more)

44
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no
votes
1
answer
Last activity 2017-07-19 14:38:41 +0200 by Bjørn Spockeli flag of Norway

M905 MTM Module Landing Foot Print Problem

Does any one use mtm m905 module. i tried this module and its a complete failure. the smt package is not standard and the BGA factory failed many times to solder this Module. is thereany better module instead of M905?

104
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no
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answers
Last activity 2017-07-19 14:15:52 +0200 by Ben Lau

ANCS problem

I have some question about ANCS ,when we trun off the IPhone and turn on the IPHONE. The notifcation is disabled. I have to turn OFF the bluetooth and ON bluetooth form ISO setting. Then ANCS notifcation is working again ... (more)

90
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no
votes
1
answer
Last activity 2017-07-19 14:14:52 +0200 by bryanhsieh

SPI Slave Problem

Hi,

I am trying to develop a custom board using NFR52832 which involves writing data to a NAND flash. To download data from NAND to the pc, a ftdi cable (C232hm) is used. The cable has a ftdi chip which ... (more)

29
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no
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no
answers
Last activity 2017-07-19 13:48:48 +0200 by ThierryQ

NRF52: Is it possible to make NFC to Tx continuously ?

Hi,

We would like to pass radio certifications and our lab is asking for different tests modes (TX/RX continuous, waves etc ...) regarding BLE and NFC. Regarding BLE, we don't have any problems thanks to radio_test provided by Nordic ... (more)

61
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no
votes
1
answer
Last activity 2017-07-19 12:39:41 +0200 by Jørgen Holmefjord flag of Norway

ADC how to use plural measure?

SDK13, nRf52.

I want measure at one time batt level and data from AIN0.

How to configure ADC for this measure? I mean void saadc_init(void);

42
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5
votes
3
answers
Last activity 2017-07-19 12:28:19 +0200 by Petter Myhre flag of Norway

Service discovery and connection delay

Hello,

I'm trying to connect as fast as possible two devices (central : 52832 S132v5 and peripheral : 51422 S130v2), for a given advertisement interval. The central will always be connected to the same kind of peripherals, all identicals.

Regarding this ... (more)

84
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1
vote
1
answer
Last activity 2017-07-19 11:57:16 +0200 by luke

using sdk13.1 can't write to flash.

while using example buttonless DFU in sdk13.1, writing to flash using flash_word_write() is preventing ble connections, even though ble is advertising.

can anyone help with this please? any quick reply is much appreciated.

62
views
2
votes
1
answer
Last activity 2017-07-19 11:12:19 +0200 by Hung Bui

Multiple point-to-point links

I am trying to decide what Nordic solutions would best support the application throughput requirements seen below. Distance requirements are low (1 meter each link).

image description

I was planning to use proprietary 2.4 GHz for links (1,3) and (2 ... (more)

31
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2
votes
1
answer
Last activity 2017-07-19 11:11:16 +0200 by endnode

What is typical data rate during sending advertisements?

I found out answers for calculating data rate during connections, which depends upon connection interval, no of packets allowed in each connection and no of bytes in a single packet.

However, how can I calculate data rate applicable during sending ... (more)

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  • Resolved questions: 9857
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  • Total questions: 23726