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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
2971 views

0 replies

Started over 6 years ago
by lalit-tmt
Not Answered

ble encrypted link 0

Hi there, I am working with

1032 views

0 replies

Started over 6 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...

1382 views

0 replies

Started over 6 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...
650 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
1375 views

0 replies

Started over 7 years ago
by Dave_couling

Recent in Nordic blog

Rust bindings to nrf52 series

Coleman McFarland

In mid-2017, I came across this project by James Munns. It essentially wraps the C SDK for nRF52 development boards, and provides bindings that can be called from Rust. James gave a talk to the Rust DC…
- 12 Jan 2018
Show And Tell: Poly - Building an RC Airplane The Hard Way

Daniel Veilleux

I've been looking for an excuse to write a low-latency, Enhanced ShockBurst (ESB), radio protocol that I can reuse when building remote control toys. Although Bluetooth is great for a lot of use cases…
- 5 Jan 2018
Bluetooth on a desktop computer (Windows, Mac, Linux)

kbaud

Posting this here in an effort to save the time of anyone else who is wanting to control a device from a desktop computer. Our application is a motor control device that is wirelessly controlled from…
- 4 Jan 2018

Latest guides

Software and Protocols: Automating nRF91 TLS credential management via serial port AT commands

Daniel Veilleux

I have spent a bit of time recently experimenting with different TLS credential configurations using nRF91-DKs. Eventually I got to the point where I wanted to do things like swap out the certificates…
- 10 Jan 2020
Getting started: nRF Connect for Cloud Certificate Update

Joakim

The content of this guide is now covered in the documentation on nrf Connect SDK documentation page.For the most up-to-date instruction to Update Cloud Certificate please follow this link.
- 27 Sep 2019
Getting started: Thingy:91 Firmware Update using MCUboot

Joakim

The nRF Connect Programmer application now also supports MCUboot! Follow these steps to update through the programmer application or the following guide for the command line alternative. This guide shows…
- 23 Sep 2019
Bluetooth low energy: Concurrent Advertising

Håvard

I have been asked several times about variations of the following advertising scenario, so I decided to make a blog post that I can refer to, and hope it might prove useful for others out there that are…
- 9 Sep 2019
Software and Protocols: The four kinds of data you need to consider when developing an IoT product

Markus Tacker (he/him)

In this post I will give you an introduction to the four kinds of data you need to consider when developing an IoT product: Device State Device Configuration Past Data Firmware Updates It's these …
- 9 Sep 2019
Getting Started : Automate building of HEX files for your nRF Connect SDK application using CircleCI or GitHub Actions

Markus Tacker (he/him)

Continuous delivery is in important aspect of short time to market and since the nRF9160 supports firmware over the air updates we want to ship a new firmware to our development boards every time we update…
- 14 Aug 2019