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nRF Cloud CoAP shadow GET fails for 7+ hours — DTLS gateway healthy, shadow service unresponsive 0

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...
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0 replies

Started 55 minutes ago
by Ajit Kuttikatte
Not Answered
nRF52832 SPI flash init/boot failure 0

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,...
32 views

0 replies

Started 4 hours ago
by Revilo
Not Answered
ECC key derivation and agreement 0

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...
24 views

0 replies

Started 8 hours ago
by thomasGronroos
Not Answered
SAADC t_PWRUP and Burst Mode Sub-Sample Overhead 0

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...
- development
- software
- adc
- nRF54L15
28 views

0 replies

Started 8 hours ago
by Adnan Ashraf
Not Answered
nRF54L10 + NCS 3.1: Unable to enter deep sleep (System OFF) after 30-minute BLE sensor measurement 0

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...
34 views

0 replies

Started 9 hours ago
by Trupti

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The role of this device is remote measurement environment parameters. It could be accessed anywhere where access to the internet is possible. It uses 6LoWPAN because it's modern IoT technology and have…
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External nRF51822 SWD Programming using the nRF51-DK

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I've written up a note on programming external nRF51822 boards (like the RedBearLab Nano) using the SWD interface of the nRF51-DK. http://electronut.in/nrf51-dk-external-programming/
- 9 Jul 2015