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...
I am not able to send ble_nus_string_send 8th time when I am calling it for 8th time. That is it is sending 140 characters. I am sending data from nRF51822 using ble_nus_string_send...
Try as I might all searches for anything related to sd_rpc_* give 'no results'. Admittedly the search engine for the online and offline documentation is poor/difficult to...
Hello,
On our current hardware there are no IO pins left to add any dedicated U(S)ART connectivity. Therefor is there a way to perform any kind of serial monitoring via...
(I am currently trying to learn Zigbee) (Updated entry since I believe I was mis-reading the log and the ZC is ACK and not NACK)
I am currently trying to get my endpoint...
Sorry for asking, maybe stupid questions, but looking at ble_app_hrs_freertos example in SDK 16.0.0 cant get through:
1.to documentation ble_conn_params_init_t. first_conn_params_update_delay...
I'm trying to get IQ (or MagPhase) data from nrf52811 chip. The datasheet indicates that I can get the data from address indicated by DFEPACKET.PTR. Is there any example code...
Hello,
I'm quite a beginner programming with the NRF52 and all and while trying to debug any example and view the log and error messages I simply can't see it anywhere...
Hello, I have read posts about programming external boards and want to use BC832 as a beacon. I have been trying to program it with nRF52840 DK and followed these operations...
Hi Devzone!
I'm using uart to send AT commands to LTE modem.
but when I send AT commands the response is quite strange, and I think the command is sent twice. I don...
Hi, I'm using the Zigbee SDKv3.1.0 Cli agent as coordinator, the Zigbee SDKv3.1.0 Ligh_Switch example and two commercial light bulb (Ikea and Heiman) I'm be able to command...
Hi,
TWI init using nrf_drv_twi_init, if event_handler is null it will be blocking mode. My question is, which one is less power consuming? block or non-blocking mode?...
Hi Everyone
*ITS VERY URGENT ISSUE*.
I am using nrf52840 PDK with segger embedded IDE.
I was trying to use the QSPI module to write data to the external flash memory...
Hello All,
I am trying to send data on serial port of nrf9160 to be published on a topic using MQTT protocol. So far using the mqtt example and UART example, I have successfully...