To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
I'm working on a custom board based on the nRF5340. On this board, the UART output (connected to an RS232 transceiver) is gated through an I/O expander which is controlled...
Hi,
If the following function is used, how to solve this error:
#include <nrfx_reset_reason.h>
void check_and_clear_reset_reason ( void )
{
// 获取复位原因
uint32_t...
I had the nrf5340 DK working for a few weeks now, and while working with SSD1309 OLED peripheral, was trying out a simple display application. Couldn't get the display device...
Hi,
During our testing of the Zigbee NCP sample, we encountered some compatibility issues. We have flashed the NCP sample firmware onto an nRF52840 Dongle using SDK version...
Hello Nordic
Using the old SDK, i was able to do FOTA wiht 10kb/s.
After doing all kinds of tweaks, I am only able to obtain 5kb/s with the new connect SDK.
Can i...
Dear Nordic-support,
I am trying to use the modem_battery_low_level_handler and modem_battery_low_level_set(), but I think there are two different ranges for the battery...
Hello,
I am studying the materials in Bluetooth Low Energy Fundamentals.
I cloned the codes from GitHub https://github.com/NordicDeveloperAcademy/bt-fund
I tried to...
Hi,
With several nrf52840 based prototypes, I had serious problems. I could see them die after flasing them a few times. And this was not just one dying, it was all of them...
The BCLK_CONT option to i2s_configure() is not being honored anywhere. How do I get BCLK to output continuously without having to do i2s_write() or i2s_read() calls over and...
Hi,
I am trying to build bluetooth hci_uart sample for esp32 board and haven't had much success so far. I am running this command to build:
`west build -p always -b...
2025-06-13T08:43:42.649Z INFO Initialising the bundled nrfutil device 2025-06-13T08:43:42.652Z DEBUG Started watching devices 2025-06-13T08:43:44.400Z INFO Using the bundled...
Hello, I am trying to use the DPS368XTSA1 sensor with the nRF52833 via SPI. First, I’m attempting to read the sensor’s ID during initialization, but it’s not being read properly...
Hello everyone,
I'm using the ble_app_uart example code in my MDBT50Q-U512k. I have been made some modifications according to my application. I need use fixed value pin...
