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）...
Hello Nordic,
My development environment:
SDK>> NRF51822_SDK10, SoftDevice>> S130
Example>> ble_app_uart
I am looking forward to your reply!
Thanks.
Best Regards...
Dear friends,
according to "nRFConnect_BLE_User_Guide_v2.0", to set up a local device,i should complete the following steps:
Connect a development kit or dongle to...
Hi All,
I am trying to make a nrf51822 talk to a SPI display by using the SPI Master.
My problem is that the display does not give any output, only takes input.
The...
Hello,
I am writing an application in Qt that runs on the computer and interacts with a nRF51422 via BLE. Now I have noticed, that I have to tell the framework, which address...
How do I reset nRF51822 to shut down the debug port?
I have a custom board with a built-in battery and strong power management.
If I power up the board without the debugger...
Hi All,
My goal is to advertise the generic packets untill a GPIO interrupt occurs. So in order to achieve low power consumption I have increased the time interval of those...
bootloader.rar (/attachment/d5fd4fbbc7d37433740f6c9468f3110b)
bootloader_dfu.rar
Hi,all.i want to set same macaddress with my app in bootloader,and advertise it in bootloader...
I have a pstorage Clear and Store that I use just before calling bootloader_app_start() in my DFU bootloader code. Everything was working great testing/compiling (GCC) under...
Hi,
we'd like to use nexus 7 II(android 5.1.1) to connect nrf51822, but cannot connect if nrf51822 uses whitelist.
step 1. we send advertising packets without using whitelist...
I'm trying to build our application using GNU Toolchain and currently facing compilation issue with __asm directive; the error thrown is:
../../NRF51_SDK_v6_1/nrf51822...
I usually see a system event "NRF_EVT_FLASH_OPERATION_ERROR" when updating my device firmware. SDK says that this event indicates that the ongoing flash operation has timed...
Hi, have anyone tested nrf51822 beacon smart kit on samsung tab 4? For some reasons it didn't detect the beacon. I have tested with company identifier of nordic, samsung and...
Since the IoT SDK is not support the IPSP Router role.
Is that mean the nRF51822 can't been used by other MCU which is running Contiki to become a Edge Router?
There are many links across the Internet to app note nAN-29 ( nRF51 Development with GCC and Eclipse ). In fact, I remember seeing a link to it on the Nordic website just...
Hi,
I am trying to test a UART bootloader with the hci_dfu_send_hex.py from SDK6.1.0
Unfortunately the script seems to crash, below is the output on the windows command...
Let's say I Have an nrf51822 on a small button cell battery having a sensor that is triggered on certain conditions.
What is the most efficient and power saving way to...
Hello. I'm using 24 MHz crystal to feed my MCU and not able to change it to 16 MHz to share with nrf24. Now I'm driving nrf24 XC1 with PWM signal 16 MHz and it works but not...
