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Can't connect directly after I exit our app by back key on phone 0

Hi, My behavior is as follows Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic) Turn on my cell phone(Samsung Note3),scan my device...

499 views

0 replies

Started over 10 years ago
by Elliot.Chao
Not Answered

Why do I use twi_hw_master.c can run on 2.4G, Bluetooth can not? 0

Hello: I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...

1103 views

0 replies

Started over 10 years ago
by bugg
Not Answered
nRF51822 and nRF24L01+ 0

Hello! How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
- nrf51822 nrf24l01+ addre
799 views

0 replies

Started over 10 years ago
by Schuebbe
Not Answered
uicr related doubts 0

Hi all, i want to know answer related to following question 1)what is use of uicr? 2)if i place some value in uicr and then change the image,then is there will be change...
- bluetooth low energy
- nrf51822
1200 views

0 replies

Started over 10 years ago
by renu
Not Answered
Master Control Panel doesn't work (python error). 0

It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file: 0;13:45:18.9900 [MainThread...
- master control panel
974 views

0 replies

Started over 10 years ago
by Tim

Recent in Nordic blog

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
IoT Contest MINI ECG

ALKAM

<o:shapedefaults v:ext="edit" spidmax="2050"/> <![endif]--> Idea: Currently on the market we can find doznes of applications which monitor health parameters…
- 25 Jun 2015
nRF52832-QFN Eagle Part/Footprint

ble_Man

Hello everyone, I've started an nRF52832 library for those devs who are interested in creating their PCB's in Eagle. Its the QFN chip right now. I read somewhere that a BGA version is planned also, so…
- 24 Jun 2015

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