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nRF51822-EK Eclipse gets me an "Error in final launch sequence" 0

I am getting following error: Error in final launch sequence Error executing step execute method: stepInitializeJTAGFinalLaunchSequence java.lang.reflect.InvocationTargetException...

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Started over 10 years ago
by Mark Chekhanovskiy
Not Answered

sd_evt_get, not able to receive after sd_flash..... 0

Dear Nordic people, I am playing (6.0.0) with sd_flash_page_erase() and sd_flash_write() , seems to be working ok, Allways happens what I do expect, but I am not able to...

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Started over 10 years ago
by Jan Krejsa
Not Answered

PAN item 56 TWI module lock-up problem and Rev 3 version of the chip 0

Hi, Will PAN item #56 TWI: TWI module lock-up be fixed in the Rev 3 version of the nRF51822/51422? Also would you happen to have a time frame as to when the Rev 3 will...

875 views

0 replies

Started over 10 years ago
by ray
Not Answered

Why does re-connection occur 2 times？ 0

Close Bluetooth in Iphone's settings when IOS/51822 is paired and connected normally. several seconds later, Open Bluetooth in the settings again, and observe the settings...

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Started over 10 years ago
by ziv
Not Answered

NRF_WDT: Not able to write to registers 0

Hi, I am trying to power off and/or disable a RR[0] with no success. I am Powering OFF the watchdog in main and then successfully POWERing ON in wdt_init but then I...

1225 views

0 replies

Started over 10 years ago
by Fab

Recent in Nordic blog

nRF51 DFU command line OSX app (sample)

jeremysf

OSX command line application for performing an nRF51 device firmware update: https://github.com/jeremysf/nrfDFU This is a simple command line program I wrote based on Nordic's documentation and their…
- 27 Oct 2015
Developing Nordic nRF51822 Beacon Kit Firmware with Visual Studio

ivan

This tutorial shows how to build and debug Bluetooth LE beacon firmware for the nRF51 Beacon Kit. We will use Segger J-Link together with a Tag Connect cable to debug the beacon. We will show how to use…
- 27 Oct 2015
BLEBot - a phone controlled/autonomous 2WD robot based on nRF51822

Mahesh Venkitachalam

In this project, we will build a two-wheeled robot based on the Nordic nRF51822 BLE SoC. Motor control for the two wheels of the robot will be done using an L293D chip. The robot can be controlled using…
- 12 Oct 2015

Latest guides

Getting Started : Getting started with Bluetooth Electronic Shelf Labels (ESL) and Periodic Advertising with Responses (PAwR)

Lorenzo Amicucci

The new Bluetooth 5.4 features Periodic Advertising with Responses (PAwR) and Encrypted Advertising Data (EAD) can be used for one-to-many applications. One of these is the Electronic Shelf Labels (ESL…
- 7 Aug 2024
nRF5x: General PCB design guidelines for nRF52 series

Kaja

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…
- 6 Nov 2023
Software: Periodic Advertising with Responses (PAwR): A practical guide

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Periodic Advertising with Responses (PAWR) is a new feature in Bluetooth 5.4. It extends the periodic advertising protocol from Bluetooth 5.0. Periodic advertising, where a device sends broadcast data with…
- 13 Sep 2023
nRF5x: General PCB design guidelines for nRF53 series

Kaja

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…
- 6 Jul 2023
Software and Protocols: nRF Cloud Access Provisioning

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Please note that some information on this page may be outdated due to ongoing improvements in nRF Cloud. For the most current details on provisioning services, refer to the nRF Cloud Security Services…
- 1 Dec 2022
Software and Protocols: Field verification of GNSS on the nRF91 Series

JaniM

Introduction The intention of this guide is to clarify and describe the main aspects relevant to the GNSS receiver functionality on the nRF9160 as well as build configurations, tool recommendations and…
- 10 Jun 2022