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NRF52833 high power consumption after sys_poweroff() 0

I'm trying to make a BLE beacon with Li-Ion battery and Qi wireless charging circuit. NRF52833 works in high-voltage mode (VDDH connected directly to the battery, internal...
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0 replies

Started 7 minutes ago
by vasimv
Not Answered
nrf9161 DK Board Configurator not connecting anymore/can not program the board 0

I have mistakenly disabled Software Debugger (SWD) and wrote the configuration back to the board. Every since board can not (1) Connect and get the configuration data using...
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Started 59 minutes ago
by PPinto
Not Answered
How to add EXTRA_CONF_FILE in CMakeLists.txt 0

Hello I want to add an extra config file based on the option in prj.conf or in Kconfg. For example: CONFIG_WIFI_SCAN_ONLY=y include the overlay-nrf7000-wifi-scan-only.conf...
12 views

0 replies

Started 1 hour ago
by Roman Veselskyi
Not Answered
Valid toolchain unavailable for nRF54H20 Hello World sysbuild sample 0

I'm attempting to follow the introductory tutorial here using the NCS VSCode extension. After creating the new application from the sysbuild/hello_world sample in v2.7.99...
20 views

0 replies

Started 1 hour ago
by rbmarcus
Not Answered
nRF54H20 VDD or VDD_EXT use 0

Can I use VDD (F1, L2, L4) or VDD_EXT *(D12) to power some peripherals ? If so, how much current is available? I want to avoid added a 1V8 regulator to the design & use...
20 views

0 replies

Started 1 hour ago
by John Galvin

Recent in Nordic blog

One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017

Latest guides

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
nRF5x: General PCB design guidelines for nRF52 series

FormerMember

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…
- 11 Jul 2016
Software Development Kit: Migrating to Peer Manager

Øyvind Rønningstad

The tutorial has been updated for SDK v11, which contains the production-ready release of Peer Manager. The original tutorial can be found on this page, below the updated tutorial. #Migrating to Peer…
- 8 Apr 2016
Bluetooth low energy: Bluetooth low energy Characteristics, a beginner's tutorial

MartinBL

Before we begin Table of content Topics that will be covered include: Before we begin Basic theory Attribute tables in nRFConnect Bluetooth Low Energy application Description of the example Adding a…
- 18 Mar 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 2 Connection

Hung Bui

This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is described in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 1 Feb 2016
Design Examples: Capacitive Touch on the nRF52 series

Einar Thorsrud

Important updates: Due to erratum 84 (COMP: ISOURCE not functional), capacitive sensing using the relaxation oscillator method is not usable in a real product with the nRF52832, as it will only work reliably…
- 31 Jan 2016