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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...
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Started 7 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 39 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 39 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:...
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0 replies

Started 54 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

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
SkyenLab initial hardware design

SkyenLab

PCB Design Abstract: The SkyenLab Bluetooth module was developed using the nrf51422 QFN48 QFAC reference design as well as help from the Nordic Semiconductor support portal and white papers. A proof…
- 5 Apr 2016

Latest guides

Getting Started: Adjustment of RAM and Flash memory

AndreasF

The scope of this tutorial is to make it clear how a developer can adjust the RAM and FLASH memory start addresses. The examples demonstrated in this tutorial uses SDK 15.2 The first three Sections explains…
- 7 Dec 2018
Getting Started: nRF52840 Dongle Programming Tutorial

Einar Thorsrud

This tutorial demonstrates how to adapt and program SDK example applications to the nRF52840 dongle using USB DFU. It also describes how to program the dongle via Serial Wire Debug (SWD) using an external…
- 27 Nov 2018
Getting started: Announcing the nRF Connect for Cloud Device API Preview

Markus Tacker (he/him)

We are happy to announce our first release of the nRF Connect for Cloud Device API! Connect your BLE, LTE/NB-IoT or any other device to our free IoT development platform and interact with that device through…
- 12 Oct 2018
Bluetooth low energy: Merging two BLE examples together

Håvard

This is a follow-up to my previous blog post; adding custom commands to a BLE example. I hope it was interesting to see an example of adding the vendor specific Nordic UART service (NUS) into another…
- 6 Sep 2018
Software Development Kit: Getting started with Nordic's Secure DFU bootloader, a step by step guide

Hung Bui

The content of this blog was based on the documentation of BLE Secure DFU example, Bootloader module library and Buttonless DFU service from our SDK. Here we provide you step by step instructions to make it…
- 20 Mar 2017
Getting Started: Introduction to Bluetooth low energy and Bluetooth low energy development (video tutorial)

FormerMember

We have produced a video tutorial in two parts about Bluetooth low energy. The purpose is to give you a developer’s introduction to BLE and the development tools offered by Nordic Semiconductor. NB! Please…
- 6 Oct 2016