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,
I m using nRF52840 dongle to setup the nRF5_SDK_17.0.2 .
Besides, the related software and the Segger Embedded Studio are installed.
Occurred Problems :
When...
Dear members,
How can I wake up the system after idle ?
It goes to main loop, but never wakes up if there's a signal from HRM,BSC or B.Power after search time out and...
Dear everyone.
Sorry for my cheep question.
We are using nRF51822 as Bluetooth4.1 with Softdevice S120 and S110 .
Is this device affected by the "BrakTooth" attack?...
Hello,
I am currently working on a project that requires to sample a 50Hz sine wave and transmit the data point over BLE, which will need around 10 - 20 samples per cycle...
Hi There
I’m hoping to implement a low power always-on/listening (response time <10s) industrial product in the UK
I’ve spoken to several acquaintances and had conflicting...
Hi All:
We are using nRF52840 SDK with BLE Mesh sdk5.0 to develop bluetooth mesh and we can use light_sw_client to control the LED1 state on the light_sw_sever via BLE Mesh...
I am using PC code derived from pc-ble-driver heart rate collector with a nRF52840 dev board
On adding characteristics sd_ble_uuid_vs_add() I get an error of 4 - NRF_ERROR_NO_MEM...
I have an nrf52832 acting as a central device that is trying to connect to a peripheral. However, after the peripheral disconnects and the central tries to reconnect I get...
Hi,
I was looking at this page https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/gs_modifying.html and saw the following line:
"When building your application...
I am getting an NRF_ERROR_CRYPTO_RNG_INIT_FAILED from nrf_crypto_rng_backend_init during the sm_init sequence. Any suggestions on what might be causing this?
Hi Sir/Madam,
Our project needs to use TEE on nRF5340 which seems to be implemented by TF-M for now and future. After investigating the implementation, I didn't find a...
Greetings,
What is the minimum low pulse required to externally reset the nRF5340?
I see this answer for nRF51 and this answer for nRF52 . Can I assume nRF53 will be the...
Hi,
I have a nRF9160 DK and Iam trying to join my Private NB-IoT network that my company has (So I can get a static IP). I have the NB-IoT activated Nano SIM and the credentials...