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Not Answered
CDC COM Port Stops Working Without J-Link RTT Viewer on Custom nRF52840 Board 0

Hello, We are using the nRF52840_CKAA_R7 package of the nRF52840 on our custom board. The USB pin connections are designed based on the nRF9160-DK's nRF52840 reference....
- development
- software
- nRF9160
- nRF Connect SDK
- nrf52840
- usb
- nPM1300
14 views

0 replies

Started 4 hours ago
by manoj_patil
Not Answered
Inquiry Regarding Power Supply Design for nRF52840 DK 0

Dear Nordic Technical Support Team, Hello! I am currently using the nRF52840 DK and have implemented SRAM PUF. I would like to connect the development board via USB and...
17 views

0 replies

Started 5 hours ago
by lancaster
Not Answered
Connecting a flexible board to a rigid board using an FPC connector 0

Hello everyone! I'm designing a flexible PCB and I'm a bit confused with the stack up. I've seen that the nRF52840 development board has an NFC antenna with the following...
- development
- antenna
- nrf5 sdk
- nrf52840
- nfc
- hardware
20 views

0 replies

Started 8 hours ago
by Natalia_NPL
Not Answered
When using external flash, calling Device_is_read returns a failure 0

Hi: I use ncs v2.8.0, using external flash(w25q128). this is test flash project. And this log: Device_is_read returns a failure. But flash read/write successful...
24 views

0 replies

Started 14 hours ago
by john.liu
Not Answered
Sniffer fails to catch packets when running radio_test. 0

Hello, I wanted to verify if two devices are communicating by using a sniffer. After running the radio_test example, I set up parameters for each transmitter and receiver...
26 views

0 replies

Started 18 hours ago
by kim_mj

Recent in Nordic blog

nrfjprog, pynrfjprog - Intro, Mac OS X & Linux now supported, New Feature

Michael Dietz

#Highlights New release of nrfjprog, pynrfjprog, mergehex available at: http://www.nordicsemi.com/eng/Products/Bluetooth-Smart-Bluetooth-low-energy/nRF52832. Windows, OS X and Linux now supported. …
- 1 Feb 2016
Weird issue with pyserial flow control

Eirik Midttun

EDIT: It seems less weird now. See You will never guess how JLink deals with UART flow control for the full story. Working on some Python code to control nRF51 and nrF52 targets I encountered a strange…
- 29 Jan 2016
Comparing compilers/IDEs for development with nRF5x series devices

Michael Dietz

#Introduction All compilers ARE NOT created equal. Given the same c code, different compilers will generate machine code with varying performance & size. Generally the more efficient machine code (uses…
- 28 Jan 2016

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

Hung Bui

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

Charlie

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