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nRF52832 DK not detected on PC

Hi Nordic team, My nRF52832 DK (PCA10040) was working perfectly until recently. Suddenly, it stopped getting detected by my PC. Current Issue: The board does not show up in Device Manager (Windows) or as a J-Link device. No J-Link COM port , no USB mass storage. I’ve tried: Multiple USB cables (data-capable) Different USB ports A different PC Reinstalling Segger J-Link drivers Tried nrfjprog --ids and JLinkExe , but both fail to detect the board. LED5 (power LED) is on when plugged in, but no other response. Can anyone help me on this?

forum

5/11/2025

W: conn failed to establish. RF noise? (reopened ticket)

Hi, I was talking to Susheel Nuguru about the multiconnection problem that i had in my other ticket about multiconnections for Channel Sounding, which had the same title as this one. I verified his answer and the ticket was closed it said, but my problem was actually not solved yet. I need this problem to be fixed pretty soon and i was worried that he maybe could not see my reply on his verified answer... Here is my problem again: somethimes i get this Warning when connecting with devices without getting any errors (which stops my code) and this happens at this moment in my main code: I followed the suggestion to give a semaphore also when a connection fails (in connected_cb() ) to get in this SKIP part after 4 seconds, but this still doesn't make my code to skip this device and go on to the next one...

forum

5/11/2025

nrf54l15-dk zms +setting

Hi,Team, I'm using the nrf54l15-dk to develop zms to save custom configurations without affecting the pairing information of ble. So I have a few questions: 1.Is the storage_partition in the flash_map_pm.h file the same as that in the nrf54l15_cpuapp_common.dtsi file? If the same, does this mean that the size of settings_storage is 36K? Is settings_storage the area used to store ble configuration information? 2. My nrf54l15-dk has some errors. Why is that? network/info, hub/info and first_run/check are custom configurations. I save them using settings_save_one and then reset the device, and an error E: set-value failure occurs. [14:28:53.898]收←◆*** Booting nRF Connect SDK v2.8.0-a2386bfc8401 *** *** Using Zephyr OS v3.7.99-0bc3393fb112 *** I: 2 Sectors of 4096 bytes I: alloc wra: 0, d70 I: data wra: 0, 280 D: Initialized I: SoftDevice Controller build revision: I: fe 2c f9 6a 7f 36 22 2e |.,.j.6". I: a0 79 c0 40 be 2c 03

forum

5/11/2025

DFU via BLE using external SPI flash on nRF52832

Hi, We’re working on a device using the nRF52832 and have DFU over BLE working correctly using internal flash. Updates work both via our custom app and the nRF Connect app. Due to the application’s size, we now want to use external SPI flash ( W25Q16JV) to store the firmware during the update process. We believe our partitioning is configured correctly ( see attached memory report screenshot), and we’ve integrated the external flash into the devicetree ( via overlay) and enabled it in the build. However, the update process shows strange behavior: When loading the dfu_application.zip in the nRF Connect app, it instantly jumps to 100%, without transferring any actual data. No error is shown, but clearly the update isn’t happening. It feels like the DFU target accepts the file but doesn't actually write it to flash. I’m wondering if something is misconfigured in the mcuboot setup or the flash

forum

5/10/2025

Sysbuild example nRF5340DK UART output

Hi Community, I'm learning the sysbuild stuffs, try to upgrade my code to sdk v2.9.0. Exercise 2 - Adding custom image - Nordic Developer Academy I'm using nRF5340DK to run this exercise code, but I can't find the so called " UART30 " for output. Could you please give me more instructions? thanks! Regards Danny

forum

5/10/2025

Issue programming my board with the nrf9160

Hello, I have designed this schematic according to reference designs provided by Nordic Semi, however I might have failed as I am unable to flash the main module. I should mention I am a beginner, however not a complete beginner, as I've created functioning PCBs in the past. I am flashing it using the nrf9161DK via SWD and I am sure the connections are correct. Still, the Programmer app of Nordic SDK doesnt recognize the new board with the nrf9160 The following is the log file of "nrfjprog --eraseall --log" with the DK connected by USB to the host computer and my board connected to the DK by the P20 pins [2025-May-05 21:16:12] [debug] -------------------------------------------------------------------------------- [2025-May-05 21:16:12] [debug] C:\Program Files\Nordic Semiconductor\nrf-command-line-tools\bin\nrfjprog.exe --eraseall --log [2025-May-05 21:16:12] [debug] nrfjprog version 10.24.2 external [2025-May-05 21:16:12] [debug] -------------------------------------------------------------------------------- [2025-May-05 21:16:12] [ info] Load library at C:\Program Files\Nordic Semiconductor\nrf-command-line-tools\bin\nrfjprog.dll. [2025-May-05 21:16:12] [ info] Library loaded,

forum

5/10/2025

Online Power Profiler for Channel Sounding

Hi, I am currently evaluating the Channel Sounding functionality for indoor localization. I would like to check how much Energy my Initiator and Reflector consume for setting up a connection and during the channel sounding process. This way i can compute it for multiple connections or for 1 connection. I have seen the online Power profiler, but honestly, i still am a little bit confused in how to use it. I also tried to understand the timing information available on the paper about channel sounding ( https://www.bluetooth.com/channel-sounding-tech-overview/#cscp ), but i still don't really understand what is relevant info to fill in the online power profiler. Kind regards, Nick De Leenheer

forum

5/10/2025

AWS MQTT Connection Issue on nrf7002 kit

Hi, I am not able to connect to AWS MQTT (using sample code for AWS ) . I am getting Error code -11 every time . CA cart and keys added in code. Same keys are working fine in MQTTX windows app. MQTT i.e without keys normal TLS level is working ok .

forum

5/10/2025

Unable to find download link for nRF Connect SDK

[This page]( https://www.nordicsemi.com/Products/Development-software/nRF-Connect-SDK/GetStarted#infotabs ) Includes a video, under "install and get started", but no download link. The video references a page I can't find. The nRF AI assistant (Bottom right here), when asked for the link, only will show links to the nrf5 (legacy?) SDK, but not nRFConnect. It will also link to the above page that has a video, but no download files.

forum

5/10/2025

AoA packet with nRF52840

Dear Staff, we bought some nRF52840 usb dongle . Could you please: provide a link/reference in order to send BLE packets in particular: Eddystone packets in advertising data AoA packets in the periodic advertising data provide a: Schematic for getting AoA packets by using the nRF52840 and an antenna array Sample Firmware for the AoA anchors Thanks a lot. Nicola

forum

5/10/2025