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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...
20 views

0 replies

Started 2 hours 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,...
33 views

0 replies

Started 6 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...
27 views

0 replies

Started 9 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
29 views

0 replies

Started 10 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...
35 views

0 replies

Started 10 hours ago
by Trupti

Recent in the DevZone Blog

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Hi Everyone! At Sky Wave Design, we recently switched all of our Nordic development over to using GCC and using Qt Creator as the IDE. We have released our example project on github for those of you…
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Introduction Here are some tips and tricks to manage your application size. RAM and ROM usage The total RAM usage is: ZI-data + RW-data The total flash usage is: Code + RO-data + RW-data …
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Talking to Ultrasonic Distance Sensor HC-SR04 using nRF51822

Mahesh Venkitachalam

Communicating with Ultrasonic Distance Sensor HC-SR04 using nRF51-DK (nRF51822/nRF51422), and transmitting measured distance over BLE UART. http://electronut.in/nrf51-hcsr04/
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Getting started with nrf52832

FormerMember

The nrf52832 is quite a competent System on Chip. Even with the long list of errata for the preview release this chip packs a punch. I've been playing around with this chip for sometime now and have made…
- 19 Jul 2015