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CMAC calculation failed with SDK 1.9.1 0

SoC: nRF5340 SDK: nRF Connect SDK 1.9.1 CMAC calculation works fine with SDK 1.7 and SDK 1.8. But it failed with SDK 1.9.1. psa_mac_sign_setup returns error = PSA_ERROR_NOT_PERMITTED...
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0 replies

Started over 2 years ago
by Dan2022
Not Answered
Slides from the Electromaker contest Q&A webinar 0
347 views

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Started over 2 years ago
by Robin M Saltnes
Not Answered
Antenna 0

Forget it, I have found related document and all is clear.
- development
- antenna
- nRF52820
- hardware
521 views

0 replies

Started over 2 years ago
by bob
Not Answered
CTS (clear to send) event/interrupt for Libuarte driver. 0

Hi, I'm pretty new to microcontroller programming so please correct my wrongs. I'm using the Libuarte driver library to have the pca10040 talk to my server via serial connection...
514 views

0 replies

Started over 2 years ago
by EugeneBrod
Not Answered
When i use DFU update app firmwre,The Serial Port always blocking and DK no repose 0

Hello, Fllow the guide of Configuring and performing DFU over Mesh,I can update firmwre successful use DFU: Source: Example/Dfu Target: Blinky(about 180 segment) But...
- development
- software
- mesh
- nrf52840
- dfu
590 views

0 replies

Started over 3 years ago
by Kai777

Recent in Nordic blog

Tutorial: Bluetooth LE to Cellular Gateway

eric ely

Bridging Bluetooth LE to different wireless connections, such as cellular, is challenging and there are few out of the box solutions. This is an important piece of the IoT puzzle, creating stationary…
- 25 Jul 2016
Video: Programming 96 nRF5 devices concurrently (AND nRF Connect MESH sneak peak)

Michael Dietz

https://vimeo.com/175834292 In the video above, 96 nRF51 devices are completely erased, programmed with a 150kB .hex file, verified, and reset (application reaches main() when the blue LED lights up)…
- 22 Jul 2016
PDM example on the nRF52832

Jimmy Wong

PDM stands for pulse density modulation. PDM is a form of modulation used to represent an analog signal with a binary signal. In a PDM signal, specific amplitude values are not encoded into codewords…
- 20 Jul 2016

Latest guides

Getting Started : Getting started with Bluetooth Electronic Shelf Labels (ESL) and Periodic Advertising with Responses (PAwR)

Lorenzo Amicucci

The new Bluetooth 5.4 features Periodic Advertising with Responses (PAwR) and Encrypted Advertising Data (EAD) can be used for one-to-many applications. One of these is the Electronic Shelf Labels (ESL…
- 7 Aug 2024
nRF5x: General PCB design guidelines for nRF52 series

Kaja

When designing a PCB with a high-frequency radio onboard certain rules should be followed for optimal radio frequency (RF) performance. This guide will provide some general PCB guidelines that can be used…
- 6 Nov 2023
Software: Periodic Advertising with Responses (PAwR): A practical guide

Hung Bui

Periodic Advertising with Responses (PAWR) is a new feature in Bluetooth 5.4. It extends the periodic advertising protocol from Bluetooth 5.0. Periodic advertising, where a device sends broadcast data with…
- 13 Sep 2023
nRF5x: General PCB design guidelines for nRF53 series

Kaja

When designing a PCB with a high-frequency radio onboard certain rules should be followed for optimal radio frequency (RF) performance. This guide will provide some general PCB guidelines that can be used…
- 6 Jul 2023
Software and Protocols: nRF Cloud Access Provisioning

Charlie

Please note that some information on this page may be outdated due to ongoing improvements in nRF Cloud. For the most current details on provisioning services, refer to the nRF Cloud Security Services…
- 1 Dec 2022
Software and Protocols: Field verification of GNSS on the nRF91 Series

JaniM

Introduction The intention of this guide is to clarify and describe the main aspects relevant to the GNSS receiver functionality on the nRF9160 as well as build configurations, tool recommendations and…
- 10 Jun 2022