nRF Cloud — CoAP transport (device shadow) Date of incident: 2026-06-22, ~13:04 UTC — still unresolved at 20:42 UTC (7h38m+) Device: nRF9151, modem firmware mfw_nrf91x1_2...
We are doing a DFU over BLE with the second MCUboot partition on an external flash. Some times Zephyr can't access the flash after booting, resulting in a bricked device,...
Hey, I am trying to implement ecdh key agreement and derivation, but I am getting PSA_ERROR_INVALID_ARGUMENT (-135) from psa_key_derivation_key_agreement: Any idea what is...
Hi,
I have a question regarding the SAADC timing parameters.
I could not find an official specification for the SAADC power-up time (t_PWRUP). While measuring it on my...
I am using nRF54L10 with nRF Connect SDK v3.1. The device connects over BLE, wakes every 30 minutes to read sensor data, and then should enter deep sleep (System OFF). However...
Hi all — I'm developing a custom nRF5340 development board (Raytac MDBT53-1M) and would value the community's honest read on whether it's worth producing.
The goal is...
Hi all,
I'm working with the reception of 802.15.4 packets on nRF52840 for which I have configure the radio as follows:
In the application loop we have:
...
Hi,
I am using nRF52 SDK v16 and I am wondering where one can find relevant information regarding peripheral event handlers.
Here are a few puzzles I have for now:
...
the central(phone) connected my board,when i call sd_ble_gap_disconnect ,sometimes,not every,return err_code =0x00000008,and not firing BLE_GAP_EVT_DISCONNECTED,also not advertising...
Hello All:
I am working on the time service of NRF52. As I know, there are two standard profiles refer to the time service, one is CTS(Current Time Service) and the other...
Hi All,
I am doing a BLE Mesh development project with nRF52840. SDK version: nRF5 SDK v15.3.0 & nRF5 SDK for Mesh v3.2.0
Case 1:
- IDE: Keil
- Example tested: nRF5...
Hi,
Im working on a configuration where role switching is neccessary.
The following is expected:
- all nodes will be advertising when "idle"
- nodes only need to...
Hi,
When the ble_stack_init(); is called the eeprom flash read/write/erash gets hanged.
But when commented ble_stack_init(); the eeprom flash read/write/erash works...
I recently got a Thingy:91 and activated it. Now I am installing the tools to work with it in my system (Linux) following the nrf Connect v3.3.0 Getting Started Assistant...
Good day. Can I get SES free licenses for multiple devices while evaluating a single development kit or the free license can only be requested for a single divice?
Hi, I use the nFR52832 chip to design as the MCU of my prodcution, it has 8 scan whitelist for user. But I want more number of whitelist for my prodcution. So ,Could you tell...
I have set up the NCS toolchain, followed the instructions to update the JLink DLL in SES, and successfully built/flashed a few examples to the app core (ie. debug/ppi_trace...
I would like to send TCP message with 50KB message size. I saw that maximum size was limited by CONFIG_HEAP_MEM_POOL_SIZE which was 16kB.
Is there any way to send that message...
Hi,
we are experiencing unexpected behavior during sleep entry. Following pictures were taken using an oscilloscope, our device sends a radio transmission every 150 ms...
