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 am developing a react native app with the iOS and Android NRF mesh lbrary. In this app I am handling connection, data receiving on characteristic and sending on...
Hi
I'm evaluating using the nRF52805 for an application that would use BLE but require almost no BLE functionality. Only the ability to periodically wake up and scan is...
Greetings. We are using the zigbee/shell sample in order to verify the connectivity of some other devices running the zigbee stack. While the shell sample had no issues in...
Hi all
I have a problem with allocate RAM.
I build the project as non secure.
in the zephyr.dts file, you can see that the memory is divided into 3 areas:
sram0_s...
Hello,
I want to create a Matter network using my nRF5340 DK board, as Matter accessory, and my RaspberryPI, as controller (CHIP Tool controller). I'm using as well nRF...
Is there a problem with writing-to and notifying-from the same characteristic? Or is it recommended that one create two characteristics, one for receiving data, and the other...
1.SDK:SDK17.1
2.IAR V9.2
3.
static float inv_sqrt(float x) { float xhalf = 0.5f * x; int i = *(int *)&x;
i = 0x5f375a86 - (i >> 1); // this is magic. x = *(float ...
hi ~
peripheral can bond how many smartphones ?
and What will happened if over bond?
i use sdk12.2 below 'is my setting
#define SEC_PARAM_BOND 1 #define SEC_PARAM_MITM...
Hello,
I am developing a door lock system. Where in final product door lock will be controlled and monitored by BLE+Zigbee. So far I have complete success of controlling...
Hi, I'm developing an application using UARTE to reading response from Module Sim. The content response from Module Sim has 495 characters. When I debug, I only read some...
Hi.
I am developing nRF52832 and ST7789.
I'm trying to print out the text, but it's not working properly.
The nrf_gfx_screen_fill() function works fine.
When I proceed...
Hi
I can't set CommonName in the attributes list while generating a private key, it gives an error:
Omitting CN it works fine:
What am I doing wrong?
Thanks...
Hi
I have a question concerning AOA.
I have already make a tx (with nrf52833) and a rx (nrf52833 too) and i succeed to receive the CTE and the IQ sampling with the antenna...
Hello ,
my team and i we are trying to set a communication by UART between two nrf52840 µC , with one of the µC we have done a communication with a nucleo board which supports...
Hello all,
I have made a simple app that runs in loop on the nRF52DK, in general it reads data from the sensor via twi and turns on the leds ...
When the program is run...