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related to threads 0

Hi all, i want to establish connection between two threads in cmsis-rtos, can i use 1) semaphore to do this? 2)message queue should be used or any other ipcs can be...
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Started over 10 years ago
by renu
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Data transfer rate by serialization 0

Hi, I have two CPU in our product. (STM32F2 and Nordic nrf51422). I use serialization function to link those two CPU(refer to ble_s110_serialization sample) But I find...

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Started over 10 years ago
by Elliot.Chao
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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...

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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...

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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
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Started over 10 years ago
by Schuebbe

Recent in Nordic blog

Now, uCXpresso.NRF provides the free evaluation license on the GitHub

Jason

uCXpresso.NRF is a RTOS C/C++ Framework, Features: Develop on Mac OS/X, Linux and Windows with LPCXpresso IDE (free). Multi-Tasking RTOS supported Enhanced BLE C++ framework Tickless Low Power…
- 12 Nov 2014
change device name through BLE

mira67

Build a custom BLE service and enable the write attribute Configure the characteristic "attr_char_value.max_len = MAX_LEN"; max_len should be larger than your device name In the BLE event…
- 11 Nov 2014
nRF51822/nRF51422 getting started and documentation overview

Stefan Birnir Sverrisson

BLE and ANT development kit Nordic Semiconductor offers the nRF51 series for BLE and/or ANT wireless connectivity. The nRF51 (nRF51422 or nRF51822) is a System on Chip, which means it has internal microcontroller…
- 30 Oct 2014

Latest guides

Getting Started : Build NCS application firmware images using Docker

Markus Tacker (he/him)

How to compile a NCS application using Docker so you don't need to install dependencies directly in your system.
- 17 Feb 2020
Software: Using a custom Secure Partition Manager with your application

Heidi-Irene Harvey Sollie

One of the samples available in the nRF Connect SDK is the Secure Partition Manager, which is required to run applications in the nonsecure domain of the CPU. The sample uses the SPM library available in…
- 12 Feb 2020
Getting Started : nRF Connect SDK Bluetooth Low Energy tutorial part 1: Custom Service in Peripheral role

haakonsh

Scope The goal of this tutorial is to set-up your own custom Bluetooth Low Energy service on an nRF5340 acting in a peripheral role. We will set up a new Bluetooth LE project from scratch. The finished…
- 11 Feb 2020
Mesh Networks: Mass Provisioning of Nordic BLE Mesh Nodes

Mark Q

Purpose When creating a mesh network with many nodes, it can take a while to provision each node, especially using PyACI. An alternative is to use a static provisioner that provisions the nodes automatically…
- 8 Feb 2020
Software and Protocols: Enabling and testing TLS in mqtt_simple

Daniel Veilleux

The MQ Telemetry Transport (MQTT) protocol is hugely popular in IoT because it is lightweight and versatile. In this post we will enable Transport Layer Security (TLS) in the mqtt_simple sample from the…
- 4 Feb 2020
Getting Started: Introduction to Nordic nRF5 SDK and Softdevice

Mihua

What is the difference between SDK and Softdevice? How can we select SDK and Softdevice versions? Do the SoC, SDK, and Softdevice have version compatibility problems? How can we understand the SDK directory…
- 15 Jan 2020