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...
I was reading the tutorial :
https://devzone.nordicsemi.com/b/blog/posts/bluetooth-smart-and-the-nordics-softdevices-part-1
it says about how a ble device can advertise...
In Mesh SDK, there are 3 versions available for s132 softdevice: s132_3.1.0, s132_4.0.4, s132_5.0.0.
The question is, should I always use the latest version available? If...
Before I use 51822QFAC(with 32K RAM)， add I must use 51822QFAA(with 16K RAM)。
I have modify IRAM area，like this
IRAM: 0x20001FE8 0x2018.
and selete device is 51822QFAA...
We are designing the nrf52840 with high voltage mode and both DCDC regulators.
Where can I find the requirements for the external circuitry, like the inductors. For now...
Hi,
1. what the DC2DC switching frequency of nRF52832?
2. at nRF52840 the inductor should be 10uH with tolerance +-10% but for nRF52832 this inductor can be with tolerance...
Hey everyone,
I've been trying to get this basic bare-metal application to work. I don't need a softdevice as I'm just trying to turn on an LED. The application compiles...
Could not connect to the nRF52840 preview DK eval kit running the ble_peripheral/ble_app_uart firmware to iOS 11 device running the nRF connect or toolbox apps. We tried on...
Hi:Nordic
Because the nrf52832 can't read 8bit parallel data from GPIOs to RAM with EeayDMA . So I want to use 3 SPI simultaneously to write data to ram with EeayDMA, can...
Hi there,
I have a issue with the nrf51822 UART baudrate setting.
I am developing nrf51822 dongle, its job is to transfer data between PC and a BLE periph. For a stable...
Hi, is it possible for the 824 chip to sleep until woken up by the Bluetooth of a nearby device that wants to connect/pair with it? And what would be the current consumption...
Hi,
As part of my watchdog flow, I'd like to test the liveness of the softdevice and the SDH during operation.
Is there a built in way to trigger the softdevice to post...
Hai
whether Bluetooth 5.0 in nrf52840 Compatability with Bluetooth 4.2 available on my phone, I heard that Bluetooth 5 is lower compatible. I like to know whether it has...
I am looking a way to send a string without the terminal, ble_nus_string_send function only works in the uart_event_handle() and APP_UART_DATA_READY is only triggered when...
I am writing a library for Nordic nrf52832 and it uses some of the functionality from fstorage ( fstorage_nvmc implementation) to access the NVM. The library creates only...
I have some functional code working on an Adafruit nRF52 Feather board which I am trying to change over to run in embedded C on an nRF51 dongle. I am using Adafruit nRF52...
