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32
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Sometimes the android app(especially vivo phone)can not scan the device

The vivo phone sometimes cannot scan the device, There are two devices embedded same program. However,one of them can be scanned,the other one can not. The advertising packet shows as follows:

I can not find the wide difference ... (more)

64
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1
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2

DFU OTA Bootloader update SDK10.0.0

Hi,

We have some custom boards with NRF51822 and the S110 (v8.0.0) softdevice, on which we have programmed the dfu dual bank bootloader, based on the example one from the SDK. The bootloader is at its default start ... (more)

61
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1
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1

Why is DEVICE_MANAGER_APP_CONTEXT_SIZE set to 16 bytes in hrs?

Hi,

I've read a couple of threads in this forum that suggested that the DEVICE_MANAGER_APP_CONTEXT_SIZE value (which should be a multiple of 4) is supposed to be 16 bytes as it is set in the hrs with dfu example ... (more)

1k
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3
2

Not sure if understand APP_TIMER_TICKS macro.

Hi,

I know that there is documentation, and that there are some answered questions abaut this, but still i dont think i understood how macro APP_TIMER_TICKS works. I need to read adc with frequency 500hz, and i2c with frequency 20hz ... (more)

76
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1
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1

BLE Advertising, a beginner's tutorial [closed]

Hello everyone,

Lately I have been struggling while trying to run "BLE Advertising, a beginner's tutorial". My hardware consists of NRF51822 and PCA1000 dongle. I use SDK_11.0.0 and the example provided at github https://github.com/NordicSemiconducto ... (more)

27
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Eclipse IDE can't build

My setup is based on a jlink clone and yunjia module nrf51822 and nRF51_SDK_10.0.0_dc26b5e. I am following this tutorial successfully till the section Enable auto discovery of symbols, include paths and compiler settings. After rebuilding the project I ... (more)

30
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generic Hid device output and feature report

Hi nordic guys,

I used the ble_app_hids_mouse demo to build my generic hid device(no mouse and keyboard) project.Now i modified the hids_init() function according my hid device report map.And the input report is ok now in win10 ... (more)

59
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1
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1

Timer interrupt don't work in ble_app_uart of SDK6.1.0

Hello everybody

I am working with the Raytac BLE Module "MDBT40", which is based on nrf51822.

And I am testing example project "ble_app_uart" in the SDK6.1.0 now.

But there are some problems when I add a new timer ... (more)

69
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2
1

sd_ecb_block_encrypt() related question [closed]

Hello, I just want to clarity the sd_ecb_block_encrypt() operation cases (S110).

In pp. 23.1.3 of RM (Shared resources) sayed:

The ECB, CCM, and AAR share the same AES module. The ECB will always have lowest priority and if ...

(more)

23
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1

Single and dual bank DFU all failed over RedMi Note3 Phone

Firstly，the RedMi Note3 DFU failed used by dual bank，however Xiaomi3 Phone can DFU successfully.As the questionlink text mentioned,the process of the RedMi Notes3 Phone DFU stopped at the line APP_SCHED_QUEUE_FULL(). The details over the OTA ... (more)

54
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Single bank DFU failed over Meizu phone and 360phone

First,the meizu phone can dfu successfully in the dual bank mode, So do the 360 phone. But in single bank DFU,this two kinds of phone failed, So I make the programm enter the debug mode, It stopped at ... (more)

58
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no
2

DFU application not jumping to bootloader

Environment:

• SDK: 8.0.0

• SoftDevice: S110 v8.0.0

I add files and code to my application,applicaiton is not jumping to bootloader and still dead. The bootloader can work when device have not ... (more)

106
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Do not reconnect to the application

hello, Please let me know why the BLE_GAP_EVT_DISCONNECTED event does not occur even when I exit the application. It does not always occur when BT smart setting is enabled. However, if disabled, the BLE_GAP_EVT_DISCONNECTED event will fire. This is about ... (more)

20
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2

I cannot find ble_connectivity_s110_hci_pca10028

I have downloaded the nRF51 SDK from here https://www.nordicsemi.com/eng/Produc... and I'm trying to run HCI-UART examples as explained here https://developer.nordicsemi.com/nRF5...

Unfortunately the exampled mentioned on the tutorial is nowhere to ... (more)

72
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3
2

Reduce coverage range of nRF51822..

Hi, I am using SDK v8.0.0 , Softdevice s110 and Example is ble_app_uart(peripheral).

i want to reduce a range of nRF51822 beacon(PCA20006) up to 2-3meter..

i try this sd_ble_gap_tx_power_set() is defined in BLE_GAP.h and also try ... (more)

45
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Can anybody provide me a text file of BLE advertised packets generated by nrf51822 in wireshark or elsewhere?

Can anybody send me a text file of BLE advertised packets generated by nrf51822. this is my email sofimukhtar1@gmail.com.. i'll be very gratefull

91
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no
1

How to install NRFGO studio along with its other tools?

I am working on a BLE project, n i have bought nrf51822 BLE nano chip. but honestly speaking i got stuck in installation itself. i have tried the blinky, HRM examples given by MBED and they work fine. But while ... (more)

33
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where to read manufacturer data in nrf connect app

hi, in nrf connect app i can see only uuids, flags, local name .where can i see the manufacturer data.

thank you

29
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1

can i add one bit in advertising packet for nrf51822

hi i want to add 0/1(from button state) in advertising packet.is it possible?

33
views
2
1

Sending a Customize Data to Nrf51Dk kit/Application. [closed]

Hi, i have NRF51822 beacon(PCA20006) and NRF51dk KIT(PCA10028). I am connect a touch sensor and it's gives output in form of "HIGH & LOW". and i am able to detect the output. i want to send touch sensor ... (more)

21
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no
1

nrf51822 ble_app_uart(pca10028) not working for pca20006

hi

i tried ble_app_uart from sdk 8.0.0 in pca10028 and it is working.but i want to run it in pca20006.i changed device to 51822 & board to pca20006(in preprocessor settings) & ram settings to 0x18000,0x28000(size ... (more)

32
views
3
1

ble app uart example led not blinking [closed]

hi i flashed s110 softdevice 7.1.0 then ble_app_beacon example application fron sdk 7.1.0 into nrf51822 beacon successfully.but led is not at all blinking in beacon.and i can not detect that in nrf uart app.

43
views
1
vote
1

want to transfer a data nrf51822 beacon to nrf51dk kit.

Hi all, i m connect a sensor with Nrf51822 beacon and get the data. so i want to transfer those data to Nrf51 dk kit continuously. where i want to change or put my data for continuously transferring interval of ... (more)

63
views
1
vote
2

How to flash nrf51822 using nrf51dk

Recently i have purchased nrf51822 and nrf51dk but i dont know how to flash softdevice in nrf51822 using nrf51dk.

please expain me how can i flash or where can i know how to flash it.

56
views
1
vote
1

SDK10 DFU Problems Freezing

Hi,

I'm using the SDK10 bootloader and DFU mechanism. I can update the firmware using Master Control Panel 3.10.14 on a PC, but the update fails using the iOS library or iOS Nordic tools. The iOS library ... (more)

28
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Sending an uint32_t value instead of an uint16_t one with ble_app_hrs

Hi,

I would like to use the ble_app_hrs to send pressure values via the heart_rate_measurement_send function. Unfortunately, they are too long: around 105000 Pa (equals 1 1001 1010 0010 1000 in binary), so I think about changing the uint16_t into ... (more)

37
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no
no

Buttonless DFU not starting unless reconnect

Hi,

I am trying to implement buttonless DFU by following the ble_app_hrs example provided in the SDK and modifying the bootloader (nRF51_SDK_10.0.0\examples\ble_peripheral\ble_app_hrs\pca10028\s110_with_dfu and nRF51_SDK_10.0.0\examples\dfu\bootloader\pca10028\dual_bank_ble_s110).

I have ... (more)

330
views
1
vote
1

Beacon scenario

Hi,

I wanted to know that if I have e.g. 10 beacons placed in the super market. Let say I am in the meat section and there are three beacons among which I am close to one and little ... (more)

64
views
1
vote
2

Is it possible to change on air address (access address) in BLE advertising

I would like to hide BLE advertising from normal BLE scanner software. And only be able to see such advertising with dedicated scanner.

I was thinking of changing access address from 0x8E89BED6 to something else which would hopefully cause normal ... (more)

46
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no
no

Connecting Old nokia 3310 to NRF52

Hi,

I want to connect old nokia 3310 to NRF52 DK.

Please let me know if any one has information about it?

Based on my research old nokia phone uses M bus and F bus communication protocol so then how ... (more)

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