Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
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)...
We have developed a PCBA with a NRF52840-QIAA for a client. When the client flashes 10 boards he loses SWD-connection with two of them. Flashing is successful, and the firmware...
Hi,
In my app I have been using the following to register my state change callback. This works. Only issue is it seem to only pass ot_instance, I cant pass a user data to...
Hello All,
I am attempting to use the scanning module to scan with a multiple filters. UUID and NAME filters to be exact.
I have done some testing with the code below...
Hello,
I'm stuck in the nRF Connect SDK Fundamentals course on lesson 3, exercise 1. When opening the COM port to view the printk messages, I get an error when connecting...
We are seeing different behavior/performance on our system depending on whether we reset the system using JTAG (JLinkRTT Viewer) or we power cycle the system.
Our project...
Hi,
we would like to extend the measurement range of the PPK2 beyond 0.6 A in source meter mode, e.g. to measure the power usage of a Raspberry Pi. We know that this might...
I need a checksum to verify integrity of some data blocsk. As I saw, that the nrf5340 hardware has some builtin support for SHA-256, I though: cool, let's use SHA-256
Now...
Hi,
I build a custom board (nRF52840) but I'm not able to flash it using nRF5340DK with J-Flash via SWD interface.
1. The first thing I did was to do a full chip erase...
Hi,
Is it possible to communicate with the nrf52840 dongle from an android application via USB port ?
That is, nrf52840 dongle will be inserted to the android phone's...
Take Bluetooth UART as an example, there will be a delay in the process of sending data from the peripheral device to the central device to receive the data.
What factors...
Hi, I'm developing for a custom project board which only has the SWD pins exposed, which I'm using for (1) programming and (2) RTT logging during development.
Once the device...
I'm working on adapting ST's RFAL NFC library for ST25R3916B/X-NUCLEO-NFC08A1 on an nRF5340/DK in order to emulate an NFC tag, and would appreciate some insight into how Zephyr...
Hi, I use NCS v2.6.1 I have taken Central and peripheral HR as an example and am trying to modify it to make the Central/Peripheral UART example work similarly.
I briefly...
Hello,
I'd like to add the transmission of an I2C recovery pulse (where you toggle SCK 10 times) to my startup routine for an offboard device whose state I'm uncertain of...