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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
2970 views

0 replies

Started over 6 years ago
by lalit-tmt
Not Answered

ble encrypted link 0

Hi there, I am working with

1031 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...

1381 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
1373 views

0 replies

Started over 7 years ago
by Dave_couling

Recent in Nordic blog

Using REST API to interface with nRF Cloud

Simon Krane

Introduction Storing data is important for analysis and displaying information. Since device messages are stored on the nRF Cloud for 30 days, you have to forward them to another database if you want to…
- 28 Oct 2022
Sound and edge computing with the nRF52 and nRF53 Series

MortenH

Edge computing is a powerful way to be able to implement low power resource-saving machine learning in your application. Using Edge Impulse alongside the nRF52840 or nRF5340, you can do simple machine…
- 14 Oct 2022
An Introduction to Trusted Firmware-M (TF-M)

Sigurd Hellesvik

Nordic Semiconductor recommends following the PSA Certified IoT Security Framework in your product development process. The four-step process of analyze, architect, implement, certify, provides a framework…
- 13 Sep 2022

Latest guides

Peripherals And RF Test: Writing device drivers for UART peripherals

Halvor Bjorstad

This post aims to cover some of the specifics of developing device drivers for UART peripherals for Zephyr.
- 20 Jul 2021
Software: Testing concurrent multi-protocol support of Zigbee & BLE over single USB connection to external CPU

Mark Q

Purpose The purpose of this blog is to showcase how a single USB bus can be used as the physical transport for multiple protocols when an external CPU is the controller. Specifications as tested Boards…
- 13 Jul 2021
Peripherals And RF Test: Working around missing shield labels (on the nRF9160 DK)

Embla Flatlandsmo

Table of Contents Objectives What are device tree overlays, and how do they relate to shields? Why are Arduino nodes not recognized in the nRF9160 DK? The workaround: Using the shield as a board ove…
- 25 Jun 2021
Peripherals And RF Test: LVGL on a TFT LCD Display with the nRF9160 DK

Embla Flatlandsmo

Table of Contents Hardware Components Wiring Software Prerequisites Steps Incorporating this into other projects Further reading Attached files This blog post demonstrates how to get a LVGL sample…
- 25 Jun 2021
Software: Using the NCS / West to program the Radio_Test example into the nRF5340-DK for agency testing.

Jay Tyzzer

Background: There is a need to be able to put a Nordic Semiconductors S0C /transceivers into modes where the physical layer and RF characteristics may be ascertained. The radio test example is used to…
- 18 Jun 2021
Software: Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice - Part 2 Central role

Hung Bui

This is part 2 of the series Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice based Bluetooth applications You can find the other parts here: Part 1 - Peripheral Role. Part…
- 5 May 2021