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How to use GPIOTE and PPI to output extra 3 pwm on nRF52840 @ ncs2.9.1 0

Hi, Our project need 7 seperate PWM outputs, as the nRF52840 have 4 hardware pwm, I decide to use GPIOTE with PPI to create extra 3 pwm outputs to drive Red/Green/Blue...
- pwm
- software
- Evaluation
- nrf52840
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0 replies

Started 2 days ago
by Anthony Yuan
Not Answered
Backport of module name change 0

Hi, last year the name of the Zephyr module "TraceRecorderSource" was changed to "percepio". In January a PR was accepted that updated the SDK's allow-list (west.yml). We...
29 views

0 replies

Started 2 days ago
by Boudewijn Dijkstra
Not Answered
nRF52840-QIAA-R Returned parts 0

Four returned products after sale could not be turned on & charged normally. Preliminary analysis of disassembly showed that the MCU was damaged, and the MCU was cross-verified...
29 views

0 replies

Started 2 days ago
by Brent Cao
Not Answered
ncs how to build and test pb remote function? 0

hi support team, may i ask do we have demo on how to test remote provision in ncs2.9.0? i assume there are two possiblilities: 1. For server, we need add below settings...
32 views

0 replies

Started 2 days ago
by William.wei
Not Answered
BLE antenna switching on/off while transmitting 0

Hello, We are using a BLE module based on nRF52832 with a U.FL connector for external antenna connection. One of our automated tests requires we turn off/on the antenna...
- Evaluation
- antenna
- nrf52832
- bluetooth le
- ant
- rf design
- hardware
60 views

0 replies

Started 3 days ago
by xinyangt

Recent in Nordic blog

Readiing humidity from HTU21D sensor using TWI

Fredrik Sundt Brynhildsvoll

##Measuring humidity using TWI on nrf52## In this post I will explain how the nRF5x chip can be used to communicate with a sensor over TWI (I2C). To run this example extract the files to examples -…
- 24 Feb 2016
Production release of S130 & S132 v2.0 SoftDevices for the nRF51 and nRF52

Pär H

Since Nordic Semiconductor released the S130 SoftDevice for our nRF51 ICs in early 2015, we have been working hard to make our Bluetooth low energy protocol stacks more feature rich and more configurable…
- 22 Feb 2016
Keil + nrfjprog = true

Øyvind Karlsen

In this blogpost we will demonstrate the usage of Keils integrated command line functionality. We will start nrfjprog through Keil bindings in order to erase our chip and program SoftDevices. nrfjprog…
- 22 Feb 2016

Latest guides

Getting Started: nRF52840 Dongle Programming Tutorial

Einar Thorsrud

This tutorial demonstrates how to adapt and program SDK example applications to the nRF52840 dongle using USB DFU. It also describes how to program the dongle via Serial Wire Debug (SWD) using an external…
- 27 Nov 2018
Getting started: Announcing the nRF Connect for Cloud Device API Preview

Markus Tacker (he/him)

We are happy to announce our first release of the nRF Connect for Cloud Device API! Connect your BLE, LTE/NB-IoT or any other device to our free IoT development platform and interact with that device through…
- 12 Oct 2018
Bluetooth low energy: Merging two BLE examples together

Håvard

This is a follow-up to my previous blog post; adding custom commands to a BLE example. I hope it was interesting to see an example of adding the vendor specific Nordic UART service (NUS) into another…
- 6 Sep 2018
Software Development Kit: Getting started with Nordic's Secure DFU bootloader, a step by step guide

Hung Bui

The content of this blog was based on the documentation of BLE Secure DFU example, Bootloader module library and Buttonless DFU service from our SDK. Here we provide you step by step instructions to make it…
- 20 Mar 2017
Getting Started: Introduction to Bluetooth low energy and Bluetooth low energy development (video tutorial)

FormerMember

We have produced a video tutorial in two parts about Bluetooth low energy. The purpose is to give you a developer’s introduction to BLE and the development tools offered by Nordic Semiconductor. NB! Please…
- 6 Oct 2016
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