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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
3077 views

0 replies

Started over 7 years ago
by lalit-tmt
Not Answered

ble encrypted link 0

Hi there, I am working with

1078 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...

1428 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...
688 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
1449 views

0 replies

Started over 7 years ago
by Dave_couling

Recent in Nordic blog

Recover the nRF51 when nrjprog and nRFGo Studio couldn't

Hung Bui

You may have a nRF51 chip that is "bricked" and both nRFGo Studio and nrfjprog recover option doesn't work. You can try to use J-link Commander to recover. In some case, J-link Commander showed that it…
- 21 Jul 2014
nRF51 SDK v6.0.0 bug report and temporary workarounds

Hung Bui

I created this blog post to document the bugs reported on nRF51 SDK v6.0.0 The workaround for each bug would also be provided here as a temporary solution before the bug is fixed in the future release…
- 16 Jul 2014
S130 Multi-link SoftDevice released. Tell us what you think.

John Leonard

Our most advanced Bluetooth Smart SoftDevice to date is now - S130. We're excited in a big way about this one covering as it does so many different options in one protocol stack. Again, we always value…
- 10 Jul 2014

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