Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
My custom board sometimes freezed on initialization process of bootloader (SDK11 dual_bank_ble_s130) when after long running and reconnect the power.
However the symptoms...
I am running the ble_app_hrs example and it runs as expected.
However, I tried removing one or more of the services from services_init as well as the corresponding advertisement...
I implement a card emulation and the card itself doesn't conform to 14443A-3 crc check. I need to disable crc check on card selected event
NRF_NFCT->RXD.FRAMECONFIG...
I've been running a hand soldered prototype board for about a week in an outdoor location where it gets hot and cold (mainly hot), and I noticed it was no longer visible on...
I am trying to add the spi and twi drivers to the ble_app_template project, but I keep running into errors. I am using the SDK 12.2.0. How are we supposed to go about adding...
Problem:
In our project we have one peripheral which can be bonded to many phones at the same time (of cause) while they are still close to it, thus connected via OS. ...
I am trying to scan and connect to a Polar H7 HR belt (which I can do), with m_scan_mode = BLE_NO_SCAN. Once this happens, I understand they are supposed to bond, and at that...
In my low-power application I need to use advertising interval of few seconds (two or more) in order to get lifetime of a year with CR2450 battery. However, the Android application...
There's a great application nRF UART 2.0 that can be used like a terminal with a Bluetooth LE device implementing the "Nordic UART" service. Now I would like to store output...
I am using a nrf52832 with SDK 11.0.0 and sd132. I need to add in-flash storage to my application so I'm looking at the NVMEM documentation and the pstorage module. I understand...
Dear Sir/ Madam,
I want your suggestions and recommendation regarding to choose which one of your BLE development kit.
I want a Bluetooth development kit which has long...
Hello, I'm trying to update services list on central device after adding a new service. However, sd_ble_gatts_service_changed returns NRF_ERROR_NOT_SUPPORTED . After looking...
Hello,
In my application, I need to activate BLE during startup only if some conditions are met otherwise I put the nRF52 in SystemOff mode. BLE should not be activated...
Hi,
I have been receiving the error: undeclared identifier "TWI0_USE_EASY_DMA". I researched and found that the solution was to include "nrf_drv_config.h" and add #define...
Hi, I have problem with discover services in advertising mode on NRF51822-BEACON. There is default firmware in this beacon. I using Xamarin on Visual Studio 2015. It is connected...