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Not Answered
nRF9160 based device certification 0

Hello, We are developing a Cellular IoT device based on nRF9160 SiP. Essentially it is a battery powered temperature and humiduty sensor, that sends the measurement data...
7 views

0 replies

Started 8 minutes ago
by kuchx
Not Answered
Behaviour of PPI endpoint when using extended/periodic advertisement with CTE for direction finding 0

Hi, This is a followup on https://devzone.nordicsemi.com/f/nordic-q-a/119259/synchronisation-between-tx-and-rx-in-connectionless-direction-finding We now have a synchronised...
6 views

0 replies

Started 14 minutes ago
by ghms
Not Answered
MODBUS not working, RS-485 0

Hello, I'm having problems trying to make the MODBUS RTU Client code work on my board. I'm devoloping with nrf Connect SDK v2.1.0, using Visual Studio Code. The board...
- development
- software
- documentation
- configuration
- C
- nrf52832
17 views

0 replies

Started 38 minutes ago
by Pepe Sanches
Not Answered
DMA buffers switching with SPI and TIMERS via PPI 0

While collecting 2-byte samples via SPI4 (with a 32 MHz clock) using PPI and timers—one triggering transfers at 400 kHz and another handling an interrupt every 512 samples...
- development
- easydma
- software
- dma
- spi
- zephyr
- nRF5340
8 views

0 replies

Started 40 minutes ago
by Michal Mrowiec
Not Answered
Use keypad for wakeup (kbd_matrix) from deep sleep (sys_poweroff) 0

I am having issues using a keypad to wakeup an nrf52840 and am unclear on if the GPIO sample is relevant if using a kbd_matrix device definition. I would like to use "sys_poweroff...
10 views

0 replies

Started 49 minutes ago
by Crox

Recent in Nordic blog

IoT Contest - Mini-Weather Station - Project

buleks

The role of this device is remote measurement environment parameters. It could be accessed anywhere where access to the internet is possible. It uses 6LoWPAN because it's modern IoT technology and have…
- 9 Jul 2015
External nRF51822 SWD Programming using the nRF51-DK

Mahesh Venkitachalam

I've written up a note on programming external nRF51822 boards (like the RedBearLab Nano) using the SWD interface of the nRF51-DK. http://electronut.in/nrf51-dk-external-programming/
- 9 Jul 2015
Getting started with nRF51822 and GCC - transmitting LDR light levels over BLE

Mahesh Venkitachalam

I've written up a simple project that uses the nRF51-DK to send LDR light levels over BLE using the Nordic UART Service (NUS). In the process, I have set up a cross-platform toolchain (OS X, Windows) using…
- 8 Jul 2015

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