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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 44 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...
53 views

0 replies

Started 17 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

Building a BLE application step by step from scratch

Jocelyn Masserot

Hi all, I'm working on a blog explaining from scratch how to develop a BLE application with nRF518122 chip. Step by step, I explain the different aspects of the embedded system development in a GCC environment…
- 11 Feb 2016
Segger Embedded Studio blog post rev2 DEPRECATED

Michael Dietz

Depreceted see new blog post for new version of embedded studio here: https://devzone.nordicsemi.com/blogs/1032/segger-embedded-studio-a-cross-platform-ide-w-no-c/ #Introduction This post is an introductory…
- 4 Feb 2016
BLE-to-SB quadcopter bridge

Daniel Veilleux

[UPDATE (Feb 8, 2016): I have incorporated the feedback that I received from several link-layer wizards in Trondheim.] Last fall I purchased an inexpensive quadcopter that uses Nordic's ShockBurst (SB…
- 4 Feb 2016
nrfjprog, pynrfjprog - Intro, Mac OS X & Linux now supported, New Feature

Michael Dietz

#Highlights New release of nrfjprog, pynrfjprog, mergehex available at: http://www.nordicsemi.com/eng/Products/Bluetooth-Smart-Bluetooth-low-energy/nRF52832. Windows, OS X and Linux now supported. …
- 1 Feb 2016
Weird issue with pyserial flow control

Eirik Midttun

EDIT: It seems less weird now. See You will never guess how JLink deals with UART flow control for the full story. Working on some Python code to control nRF51 and nrF52 targets I encountered a strange…
- 29 Jan 2016
Comparing compilers/IDEs for development with nRF5x series devices

Michael Dietz

#Introduction All compilers ARE NOT created equal. Given the same c code, different compilers will generate machine code with varying performance & size. Generally the more efficient machine code (uses…
- 28 Jan 2016