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nRF52 max. input frequency on GPIO 0

Hi all, I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
- 132 nrf52832 gpio
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0 replies

Started over 7 years ago
by Pascal Künzi
Not Answered
NRF52840DK w/S140 hardfault 0

Loaded Softdevice S140, ( Using NRF52840 DK board ) using NRFgo Studio. App flash base is set to 0x00021000 and app RAM base is set to 0x20003000 Looking at the CPU...
- nrf52840dk nrf52 nrfgo
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0 replies

Started over 7 years ago
by Ove-Anders Gaarder Aune
Not Answered
Bluetooth name length limit less in SDK12.0.0 than in SDK8.0.0? 0

In our earlier projects with nRF51 and SDK 8 we used to have bluetooth device names of length 13 or 14 characters. However, when using nRF52 and SDK 12 I noticed that the...
- nrf5
- sdk12
- sdk8
- bluetooth name length
497 views

0 replies

Started over 7 years ago
by Jarmo
Not Answered
nRF51822 bluetooth smart beacon Antenna? 0

Does the Antenna in this Beacon relates with this "BAL-NRF02D3 '50 ohm balun transformer for 2.45GHz ISM"? Any idea what's this "BAL-NRF02D3" for? many thanks!
- bluetooth low energy antenna
- nrf51822
892 views

0 replies

Started over 8 years ago
by TB
Not Answered
Unable to use eeprep tool 0

I am using a eeprep tool which can only be used with command prompt. I am struggling with it. Here is the format to use eeprep tool :- usage: eeprep [options] <infile...
- eeprom
1076 views

0 replies

Started over 8 years ago
by Anuj Mattoo

Recent in Nordic blog

nRF Connect v1.0 Release Candidate

Hung Bui

Note: This post is outdated. Please go to the product page for nRF Connect for Desktop for updated information and downloads. nRF Connect is the new official name of the Bluetooth Smart tool previously…
- 9 May 2016
How to test nRF52 NFC tag with reader (Adafruit Tag Reader)

Brian Kim

Since NFC is one of new feature on nRF52, some customers often ask how to verify NFC tag they are implementing. The purpose of this blog is to provide how to setup and how the implementation based on SDK…
- 9 May 2016
A modern approach to Bluetooth LE and the Internet of Things

eric ely

Bluetooth LE is ideal for Internet of Things applications where many low powered sensors or devices feed data through a gateway and out onto the internet. An optimal solution would move away from the use…
- 6 May 2016

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