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How can I ensure not be Interrupted by radio when I use gpio simulate IIC? 0

My sensor is off-standard,so I have to use gpio to read and write my sensor. Gpio IIC will take about 0.5ms to get data. My app need send data every 7.5ms,it seems that...

789 views

0 replies

Started over 11 years ago
by gootoomoon
Not Answered

Service Discovery Fails on Nexus 4 Android application 0

Hi, My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...

864 views

0 replies

Started over 11 years ago
by balaji
Not Answered

Convert AN34 DTM Python script to C# 0

Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ? The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...

1485 views

0 replies

Started over 11 years ago
by Virgil Gomes
Not Answered
nrf51822 UART Lost bit 0

Hi, I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
- uart
- nrf51822
1418 views

0 replies

Started over 11 years ago
by Terry
Not Answered
Bluetooth low energy (Re-connection with tags ) 0

please go through the images for better understanding of the problem (as in sequence of 1-5):- any kind of help would be appreciated....
1056 views

0 replies

Started over 11 years ago
by sarang

Recent in Nordic blog

Profiling the Softdevice and FreeRTOS with Segger SystemView

Tim

In a previous blog post, RK has shown us how to use Segger SystemView to monitor a bare-metal application as well as the Softdevice. Based on his work, we will see how to go further and add FreeRTOS to…
- 3 Sep 2016
nRF52832 and Android Nougat – simple and secure touch-to-pair.

Pär H

It is exciting to see that in the release of Android Nougat, in addition to 72 new emojis, support for Bluetooth pairing with NFC using the out-of-band (OOB) method is included. By utilizing NFC pairing…
- 24 Aug 2016
BBC micro:bit J-Link OB firmware upgrade

kendwyer

Hey! Wanted to tell you about this free J-Link upgrade for the BBC micro:bit. With the firmware upgrade your micro:bit DAPLink will be transformed into a J-Link OB (on board), while still maintaining…
- 19 Aug 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