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persistent tls handshake error -0x2700 on nrf52840 0

Hello All, We are using nrf52840 board interface with wiznet550i. We try to implement mqtt tls 1.2.we get following errors.. I get certificate verification error -0x2700...
- tls1.2
3081 views

0 replies

Started over 7 years ago
by lalit-tmt
Not Answered

ble encrypted link 0

Hi there, I am working with

1079 views

0 replies

Started over 7 years ago
by Wah
Not Answered

characteristics value not updating 0

Hi, i am using SDK v8 with softdevice v8,using master control panel pc application,added custom service and characteristics to application,problem is characteristics value...

1432 views

0 replies

Started over 7 years ago
by nagaraj
Not Answered
How can i get nRF51822 buildcode and lot code 0

There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code. My question is how can I get those codes...
690 views

0 replies

Started over 7 years ago
by qshi
Not Answered
Debugging Hardfault - Registers Not Consistent 0

I'm trying to debug a randomly occuring Hardfault. In trying to trace down the source I read the CPU registers use the Nordic hardfault_implementation.c which grabs the register...
- nrf52
- sdk12.3.0
- freertos
- saadc
1455 views

0 replies

Started over 7 years ago
by Dave_couling

Recent in Nordic blog

.NET Micro Framework driver for the nRF8001

Bob Louwe

Introduction A few months ago I started running again. Music helps me to stay motivated. Since most earphones keep falling out, especially when the sweat comes out, I googled for some sports earphones…
- 21 Mar 2016
Migration from µESB to nrf_esb

Rune Holmgren

List of changes from µESB to nrf_esb All functions, structs, enums and defines have been renamed from uesb_xxx to nrf_esb_xxx. Events: Events used to be triggered within radio interrupt context…
- 18 Mar 2016
Deprecating support for CMSIS Pack in nRF5 SDK

Pär H

Some news I wanted to highlight from the SDK team. What With the release of nRF51 SDK v7.0.1 in Oct 2014, we introduced support for CMSIS pack. The main motivation was to have an easy to use dependency…
- 17 Mar 2016

Latest guides

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
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