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, we have an application using an nRF52832 without a SD that we want to put into low power / sleep mode to save battery.
What commands should we use to do this and wake...
Hi,
I am using ppi to read some continuous data from a sensor through SPI and i got it working, it reads data in evry 8ms from the sensor through ppi.
but it fails when...
I am working with the secure bootloader example. I copied the firmware zip package to my phone. It contains only application.hex in the package, there is no softdevice or...
Hi,
I am working on an application where the device will be in off mode(only timer and BSP initialized in main ) initially and when I long press button_0 for 5 sec the remaining...
Hi,
We are looking for DFU mode GATT protocol source code for reference to implement custom android application which uses DFU mode GATT service to update firmware distribution...
My static code analysis tool complained something, so I took a deeper look and found the following declaration inconsistencies as of nRF5 SDK v17.0.2 in the DTM area. So I...
I am in the process of programming the MAX30105 sensor with the NRF52840 board to obtain the oxygen concentration values I tried to use the library that already exists in...
Hi ,
I am trying to connect my NRF52840 with the application NRF Toolbox using bleuutooth technology when I use this DK
it works very well and the application detect...
I have an nRF5340 DK board. I have followed the online installation instructions and *believe* I have successfully installed (win 10) nRF Connect and Segger Embedded Studio...
Hello, I'm routing on the nRF52833-QI. I want my RF track (ball H23) to go without bends. I don't use J24 ball. Can I remove the ball J24? What is your suggestion? Best regards...
Dear Sir,
Moving to zephyr new installation 1.4.99
The code of getting the IMEI number no longer works.
Modem firmware is mfw_nrf9160_1.2.3
reply_buf_len = at_exec_reply...
I'm trying to connect a 52832 board to a peripheral BLE device. NRF52832 SD: s132 v7.0.1 SDK 16.0.0 As a first step, I'm not setting flters, I just want to connect to any...
Hello,
We are using nRF52840 with SDK 15.2.0, a bootloader and the SoftDevice 6.1.0. We are able to perform a DFU for our application by downloading the .bin and .dat files...
The nRF53 data sheet defines the minimum clock period for teh SPI slave and master as 125nSec - which equates to 8MHz. The SPI Slave also gives the max data rate as 8MHz with...
I tried out a ble_app_hrs_freertos_pca10056_s140.emProject and was able to compile but a couple of questions:
- how is heart rate info calculated? where's the sensor even...