Nordic DevZone

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the…

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…

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…

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…

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…

When designing a high-frequency PCB there are some rules that should be followed in order to get a good working radio/system. Below are some general PCB guidelines. These guidelines should be followed…

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…

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…