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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...

787 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...

859 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...

1480 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
1414 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....
1049 views

0 replies

Started over 11 years ago
by sarang

Recent in Nordic blog

Migration from µESB to nrf_esb

Rune Holmgren

List of changes from µESB to nrf_esb All functions, structs, enums and defines have been renamed from uesb_xxx to nrf_esb_xxx. Events: Events used to be triggered within radio interrupt context…
- 18 Mar 2016
Deprecating support for CMSIS Pack in nRF5 SDK

Pär H

Some news I wanted to highlight from the SDK team. What With the release of nRF51 SDK v7.0.1 in Oct 2014, we introduced support for CMSIS pack. The main motivation was to have an easy to use dependency…
- 17 Mar 2016
Production release of nRF5 SDK v11.0

Pär H

With the alpha release of nRF5 SDK v11.0 in December 2015, we took a major step to enable the smooth migration path within the nRF5x family for developers. A clear indicator of this, is visible by the…
- 17 Mar 2016

Latest guides

nRF5x: Current measurement guide: Introduction

Stian Røed Hafskjold

###Other relevant posts A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0 A post that describes…
- 1 Dec 2015
nRF5x: General PCB design guidelines for nRF51 series

Petter Myhre

When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range. General rule The RF part of the…
- 13 Nov 2015
Software Development Kit: nRF5 SDK Scheduler Tutorial

Einar Thorsrud

2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2. Introduction Scope The following topics will be included in this tutorial: Configuration of the Scheduler library. Using the scheduler with…
- 9 Nov 2015
Bluetooth low energy: Bluetooth low energy central tutorial

Anders Strand

Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Setting up the example projects Background theory Central and peripheral roles…
- 4 Nov 2015
Software Development Kit: nRF5 SDK Application Timer Tutorial

Einar Thorsrud

2018-11-23: Updated tutorial to cover SDK version 15.2. 2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly. Introduction Scope The following topics will be included in…
- 30 Oct 2015
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