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nRF54L15 / NCS 3.4.2: restricting KMU keys to a custom TF-M partition and ECDH/HKDF 0

We are currently using an NRF54L15 with TF-M on NCS 3.4.2. We have a custom secure partition, and want it to own a persistent P-256 ECDH private key and derived AES-128 key...
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Started 8 minutes ago
by EJFAN
Not Answered
DEVKIT NPM1300 not generating VSYS 0

When I connect the two-pin battery and short pin1 and pin2 of P1, I am unable to get the battery voltage at J1 AND WHEN I LEAVE THE PINS UNSHORTED FOR P1, THEN I AM NOT GETTING...
23 views

0 replies

Started 3 hours ago
by Megha Agarwal
Not Answered
PMIC buck1 output not getting generated completely 0

I have connected the correct 47K res for VSET1 but I am not getting 1.8V, instead I am getting 2.3V I am getting the correct output for BUCK2 as 3.3V I have checked the resistor...
21 views

0 replies

Started 4 hours ago
by Megha Agarwal
Not Answered
Schematic Review Request: nRF5340 and nPM1100 bluetooth microphone 0

Hello, I am requesting a schematic review of my bluetooth microphone system. I've used the spec sheets as well as audio DK hardware reference material to design these schematics...
52 views

0 replies

Started 16 hours ago
by npwalker
Not Answered
nRF21540 DK Scanning RSSI Does Not Go Below -80 dBm with FEM (LNA) Enabled 0

Hardware: nRF21540 DK SDK Version: NCS 3.4.0 Problem Description: Modified the observer sample to scan for a specific device, using nRF21540 DK as the scanner with FEM...
96 views

0 replies

Started 5 days ago
by Bobing

Recent in the DevZone Blog

Setup and Running the OpenMesh DFU on the nRF52 DK v2.0

martindavidb

###Program the boards Connect all the boards to the PC cd to <install_directory>nRF51_ble_broadcast_mesh_0.8.7\nRF51\bootloader Open a command window in that directory Run .\pc-util…
- 6 Feb 2017
New NFC feature on nRF52 Series: Read/write capable Type 4 Tag NFC library in nRF5 SDK.

Pär H

The nRF52832 and nRF52840 devices have a built-in NFC radio which can be used for exposing data as a dynamic NFC tag (a tag with configurable data). This can be used as a standard tag type for storing…
- 2 Feb 2017
WIZnet's BLE to TCP Gateway

Mason Lee

Introduce WIZnet would like to introduce a BLE to TCP solution which enables bluetooth devices to access cloud services such as Google, IBM, and Amazon without a smartphone. WIZnet created a low power…
- 1 Feb 2017
Simple Application-level Authentication

Daniel Veilleux

Introduction There is a use case that I've seen several times recently that I find interesting due to the fact that its security requirements aren't directly addressed by the Bluetooth Low Energy (BLE…
- 30 Jan 2017
nRF5x support within the Zephyr Project RTOS

Carles

The Zephyr Project RTOS The Zephyr Project RTOS is a recent effort by the Linux Foundation to provide the embedded world with a free, secure and fully-featured Real Time Operating System. It is designed…
- 22 Dec 2016
New power optimization tool called Otii that runs on the Power Profiler Kit.

Pär H

It´s exciting to see that our friends at Sony Mobile Research and Incubation have released a desktop application called Otii, which supports our Power Profiler Kit. The beta version of the Otii application…
- 19 Dec 2016