Nordic DevZone

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Signing and verifying with OpenSSL vs. nrfutil 0

The issue I'm having is signature verification failing when I sign my firmware package and perform a DFU. I've generated signing key pairs with the nrfutil CLI tool, signed...
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Started 2 minutes ago
by LLTMBeahan
Not Answered
gpio_add_callback() returns -ENOSYS 0

Hello, I want to use the bq274xx.c sensor library. The bq274xx battery fuel gauge has an interrupt pin, which would allow to have the CPU idle until something interesting...
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Started 38 minutes ago
by Torsten Robitzki
Not Answered
MCUboot with sysbuild does not compile for anything but DK 0

I'm playing a bit with MCU boot and folowed the tuturial . When I compile the sample with mcuboot from Zephyr, it works fine for the 52840DK, but when I try to compile for...
18 views

0 replies

Started 1 hour ago
by boris bergman1
Not Answered
Power Supply Design Guidelines for nRF9151 Modem 0

We are developing a new board based on the NRF9151 and would appreciate some guidance regarding the power supply design for the modem. Specifically, we’re looking for documentation...
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0 replies

Started 2 hours ago
by Oleg-AgamControl
Not Answered
How to change nrf5340 transmit power? 0

What is the default transmit power of the nrf5340 when performing an AoA test in connected mode? How do I change its transmit power to perform AoA accuracy tests at different...
25 views

0 replies

Started 3 hours ago
by xu shengxian

Recent in Nordic blog

BBC micro:bit rolling out now!

John Leonard

Now delivering into kids hands in UK BBC micro:bit has, as I write this, been delivered into the hands of 450 000 UK schoolchildren with a further 500 000+ to be handed out over the next couple of weeks…
- 16 Apr 2016
nRF51822 now available as ultra- thin CSP variant

John Leonard

The award winning nRF51822 is now available as an ultra-thin Chip Scale Package) CSP variant. Measuring just 3.38mm x 3.38mm and with a height profile (including ball grid array) of just 0.35mm it is tiny…
- 15 Apr 2016
Fast Updates of User Code on nrf51822 with bluz

eric ely

Bluetooth LE is not a fast wireless protocol, transfer speeds are usually measured in single-digit to low tens of kilobytes per second. This is generally not an issue unless large amounts of data need…
- 13 Apr 2016

Latest guides

nRF5x: Current measurement guide: Introduction

Stian Røed Hafskjold

###Other relevant posts A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0 A post that describes…
- 1 Dec 2015
nRF5x: General PCB design guidelines for nRF51 series

Petter Myhre

When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range. General rule The RF part of the…
- 13 Nov 2015
Software Development Kit: nRF5 SDK Scheduler Tutorial

Einar Thorsrud

2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2. Introduction Scope The following topics will be included in this tutorial: Configuration of the Scheduler library. Using the scheduler with…
- 9 Nov 2015
Bluetooth low energy: Bluetooth low energy central tutorial

Anders Strand

Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Setting up the example projects Background theory Central and peripheral roles…
- 4 Nov 2015
Software Development Kit: nRF5 SDK Application Timer Tutorial

Einar Thorsrud

2018-11-23: Updated tutorial to cover SDK version 15.2. 2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly. Introduction Scope The following topics will be included in…
- 30 Oct 2015
Bluetooth low energy: Bluetooth low energy Services, a beginner's tutorial

MartinBL

Before we begin Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Some basic theory The Generic Attribute Profile (GATT) Services…
- 26 Aug 2015