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 have a JDY-16 BLE chip in AT command mode and are able to scan for a SoftRF device that has a Nordic UART service.
I can succesfully see the SoftRF device during a scan...
Hi All,
Currently I'm editing an example project using the NRF5 SDK in SES -- however, I'm not sure exactly how to best version a project or even export it to contain...
I am developing a product using SDK_17.1.0 and nRF52805. The basic function development has been completed.
I need the DTM firmware for RF test of the nRF52805 board, so...
Hi,
For my nRF52840 custom board, when I send data through app_usbd_cdc_acm_write() to the serial port from main.c , data are transferred without problem but
when I try...
Hello,
I just recently updated to Windows 11 and facing the issue(nrfutil is not working) after win11 update. Previously, It is worked on Win10. Do you have the working...
Hi.
nRF52-DK board use. (PCA10040)
* now system : bootloader + softdevice + Beacon application ->> working fine. good.
* new system : Swtiching ESB or Beacon
I would...
When I connected mqtt on nRF9160, I found a strange problem, which caused the device to freeze and become bricked. The location cause was found to appear in err = mqtt_connect...
Hello, we are semi-experienced with Nordic,
We are doing a DC power driver, during operation we do a NUS data send if we are connected and the NUS has started. When we get...
Hello,
I am trying to optimize GPS power consumption, and the fix time. The GPS search period is approximately 10 minutes, modem fw 1.3.1 and nRF SDK 1.7.0. We are also...
Hi Nordic，
is the encryption technology used in the software protocol or hardware inside 52833?
our customer want to know the if the encryption can export,thank you！
I baught new DK. Form last few days, I was testing sample programs for learning purpose. Suddenly, SDK stopped being detcected via USB port ? I could not diagnose the reason...
I got this error during development.
I think it is caused by the BLE device erasing the connection information with iOS,
I don't know under what circumstances the BLE...
Hi
I want to increase the number of leds in DTS file of peripheral-uart sample by using overlay file.
Is it possible to manipulate the aliases in DTS file by editing the...
I'm running in to the issue mentioned in the tile; " Only spi nodes accepted in /soc/spi@40023000/". I'm using nRF connect and built a driver for the TI ADS1291 analog front...
Hi, I read a couple of post that asked about the accuracy / tolerance of the internal REF, and the answers mention it's included in the gain error.
This made me wondering...
