Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
nrf52840 board returns error code 5 0

I made a custom board And I am running the segger example ble_app_blinky_pca10056_s140 But Even if I run log_init();, it returns error code 5 And even if I run timers_init...
2 views

0 replies

Started 8 minutes ago
by hmihmi
Not Answered
NRF5340 LFCLK RC or LFSYNT 0

Hello, We are making a custom board with the NRF5340. There is no external crystal for the 32kHz. What is the best option between internal RC and LFSYNT as 32kHz source...
9 views

0 replies

Started 40 minutes ago
by tcube
Not Answered
What is the correct way to close the BLE connection? 0

Hi, I have a central, where I want to close the BLE connection and restart the device. I have a button interrupt that does this: However, when the device reboots. I...
10 views

0 replies

Started 40 minutes ago
by J0sh1101
Not Answered
Multi-NUS, How to reject a connection if RRSI is too low? 0

My project: I am developing a system consisting of a central and up to 20 peripherals based on the Multi-NUS protocol. Toolchain and SDK : NCS v2.6.1. Development target:...
12 views

0 replies

Started 55 minutes ago
by JPhilippe
Not Answered
Setting Up Filter Accept List and Bonding for BLE Central Devices 0

Hi, Might be possible to answer the question in bold. Thanks in advance! We have many BLE central NUS (Nordic UART Service) and many peripheral NUS communicating with...
12 views

0 replies

Started 1 hour ago
by J0sh1101

Recent in Nordic blog

nRF52 Online Power Profiler

Stian Røed Hafskjold

We in the Nordic Support team have created an online power profiler to estimate the power consumption during a BLE event with different parameters. The profiler gives you information about the different…
- 26 Apr 2016
Debugging nRF52 series devices using Trace

Michael Dietz

#Why use trace "Embedded Trace Macrocell (ETM) allows to capture information on the processor’s state without affecting the processor’s performance. Microcontrollers that include an ETM allow detailed…
- 20 Apr 2016
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

Latest guides

Bluetooth low energy: Wireless timer synchronization among nRF5 devices

Audun

Introduction In a variety of use cases there is a need to share a common clock among multiple devices. Such a common clock can be used for many purposes, for example by having each node in a network perform…
- 12 Jul 2016
nRF5x: General PCB design guidelines for nRF52 series

FormerMember

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…
- 11 Jul 2016
Software Development Kit: Migrating to Peer Manager

Øyvind Rønningstad

The tutorial has been updated for SDK v11, which contains the production-ready release of Peer Manager. The original tutorial can be found on this page, below the updated tutorial. #Migrating to Peer…
- 8 Apr 2016
Bluetooth low energy: Bluetooth low energy Characteristics, a beginner's tutorial

MartinBL

Before we begin Table of content Topics that will be covered include: Before we begin Basic theory Attribute tables in nRFConnect Bluetooth Low Energy application Description of the example Adding a…
- 18 Mar 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 2 Connection

Hung Bui

This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is described in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 1 Feb 2016
Design Examples: Capacitive Touch on the nRF52 series

Einar Thorsrud

Important updates: Due to erratum 84 (COMP: ISOURCE not functional), capacitive sensing using the relaxation oscillator method is not usable in a real product with the nRF52832, as it will only work reliably…
- 31 Jan 2016