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...
Hello to everyone. I´m trying to configure the buttons of my SDK nRF52 to turn on LEDs, but all the examples I´ve found here are using BSP_EVENT_HANDLER. So, my question is...
Hi,
I am developing an application on an nrf52840 based custom board that includes a dfu bootloader. Currently this bootloader is the example secure one. This will be tweaked...
Hi,
I spent a lot of today trying to get or even to find instructions on how to get log messages (RTT) out of both the app and the bootloader I am working on. This was the...
Hello all!
I tried to develop a small BLE application and got stuck with endless loop in nrfx_uarte_tx() function (nrfx_uarte.c driver) which loops endlessly in these lines...
Hi, I am running Segger Embedded Studio (4.10a) to get used to the Nordic DK for the nRF52840. Now I have found, that the register display seems not to be able to show some...
Hello,
just a quick question for my understanding: If I use differential mode and have the Vp and Vn pins as an input channel to the SAADC, then may I only supply Vp with...
Hi,
I followed the example nRF5_SDK_15.2.0_9412b96\examples\ble_peripheral\ble_app_buttonless_dfu to add DFU service into my 3 programs. One has HTS service, one has HRS...
I have a custom board with nrf52840 with cr2477 battery (1Ah capacity). I was download firmware to board and after a week the battery voltage dropped to critical. In the firmware...
Hello,
I want to access the nrf9160 over UART from other controller My main concern is to program nrf9160 to respond with at commands from external microcontroller. (Just...
Hi everybody!
I hope I am not too late to jump on the nrf51 train, but I had the ability to get a great deal on them so I really want to use them for a project we have....
I am facing a strange issue where I removed all code related to the app_uart from the UART example. Now the logs are being dropped. Anyone know why this happens?
Hi,
For a few days, the nrfcloud device screen is not showing the sim card total data usage.
The console shows this error:
Failed to load resource: the server responded...
hello,
i am developing a health care device and i am using nrf52 dk board for development , i want my device to communicate to the android app, and i have zero experience...
Q: nRF52840 DK does not appear as a removable drive named "JLINK" Steps I followed 1-Connected the NFC antenna to the board. 2-Used a micro USB 2.0 Data cable(Fully functional...
