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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 21 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 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

Measuring Lithium battery voltage with nRF52

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Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider on nRF52. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and we (Nordic) recommend…
- 23 May 2016
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This series of posts will describe a new toy here at Nordic: The nRF Hexapod. The post will be divided in multiple parts, this part describing the project in general and the hardware that is required…
- 19 May 2016
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Sometimes we look for what will be the best demo for BLE operation between mobile device and peer device. Recently Blinky is one of perfect application, but I suggest one more interesting example between…
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Note: This post is outdated. Please go to the product page for nRF Connect for Desktop for updated information and downloads. nRF Connect is the new official name of the Bluetooth Smart tool previously…
- 9 May 2016
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Since NFC is one of new feature on nRF52, some customers often ask how to verify NFC tag they are implementing. The purpose of this blog is to provide how to setup and how the implementation based on SDK…
- 9 May 2016
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Bluetooth LE is ideal for Internet of Things applications where many low powered sensors or devices feed data through a gateway and out onto the internet. An optimal solution would move away from the use…
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