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nRF52840 I2S write failed -11 0

Hello, I am using two nrf52840 DKs to test ble transmission and i2s output. The nRF Connect SDK I use is v2.6.0. Both of them are ble connected. One sends data to the...
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Started 7 hours ago
by LandyWang
Not Answered
How to change the Link request interval of OpenThread in NCS 0

As shown in the figure above, if I need to modify the time interval of OpenThread's Link request or parent request, how can I do it? Thank you NCS 2.6.0 NRF52840
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0 replies

Started 8 hours ago
by Quay
Not Answered
Tx power configuration in SDK 2.7.0 0

Hi, I'm a little disoriented. I used to set the tx power configuration for the nRF5340: in the file <prjdir>\child_image\hci_rpmsg.conf. How and where can I set the...
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0 replies

Started 15 hours ago
by PabloL
Not Answered
Impedance Control nrf9151 RF Design 0

Hello, It has been a while since I have done any controlled impedance and was wondering if someone could provide me a quick sanity check before I continue: Here is the...
31 views

0 replies

Started 21 hours ago
by Doug K
Not Answered
nRF52840 (aQFN73) vias to bottom layer 0

Hi We use the nRF52840 (aQFN73) with a 4-layer 1.6 mm PCB for our current project. The top and bottom layers are for signals, the two internal layers are ground and power...
47 views

0 replies

Started 23 hours ago
by Michael-42

Recent in Nordic blog

Creating a Keil project for a Bluetooth Mesh example (Updated for 0.10.0)

Kristian Skordal

Introduction The recently released nRF5 SDK for Bluetooth Mesh does not provide Keil project files for its example projects. Fortunately, it's relatively easy to set up your own project from scratch.…
- 19 Sep 2017
Using millis() like in Arduino.

schef

Here are two simple functions to use when you want to use timestamps for time measurement. uint32_t millis(void) { return(app_timer_cnt_get() / 32.768); } and for comperison of current with given…
- 18 Sep 2017
Flashing nRF5x firmware using any dumb terminal program via standard serial COM port

Nguyen Hoan Hoang

There are times that we needed to flash the nRF5x series on a PC where the development software were not installed. The problem could be worst when network access is limited. With a HEX file on hand…
- 18 Sep 2017

Latest guides

Bluetooth low energy: Bluetooth low energy Services, a beginner's tutorial

MartinBL

Before we begin Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Some basic theory The Generic Attribute Profile (GATT) Services…
- 26 Aug 2015
Software Development Kit: Setting up the Timeslot API

Hung Bui

Setting up the Timeslot API When you want to use the radio while still maintaining a BLE connection or have a task that you need to do uninterrupted by radio activity, you can set up a timeslot. The timeslot…
- 27 Jul 2015
Software Development Kit: Radio Notification

Øyvind Karlsen

Radio Notification In this tutorial we will set up a beacon example and modify it to use radio notification. Then we will use radio notification to light a LED when the radio is transmitting. While this…
- 17 Jun 2015
Software Development Kit: Board support package (BSP)

Øyvind Karlsen

Board Support Package In this tutorial we will use the Board Support Package to control hardware peripherals on the nRF51 or nRF52 DK. Required tools Keil 5.20 nRF SDK 11 nRFgo Studio 1.21.…
- 8 Jun 2015
nRF5x: nRF51 series current consumption guide

Stefan Birnir Sverrisson

nRF51 Low power modes and power profiles documentation The low power modes for the nRF51 series are System On and System Off. You can read about them in the nRF51 Series Reference Manual v3.0 sections…
- 1 Jun 2015
Software Development Kit: Setting up device firmware update(DFU) on the nRF5 DK

Stian Røed Hafskjold

###Note: This tutorial is for the legacy DFU module included in SDK version 11 and earlier. To get started with the new DFU included in SDK 12 and above, please see the SDK documentation in the Infocenter…
- 1 Jun 2015