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Difference between attr_char_value.init_len and attr_char_value.max_len 0

Hi, When creating and adding an characteristic to service, what the meaning and difference between these two variables: attr_char_value.init_len attr_char_value.max_len...

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0 replies

Started over 6 years ago
by MichaelNordicUser
Not Answered
Bluetooth Privileged permission error Keyboard HID with nRF52832 0

Hi all, I have compiled the ble_app_hids_keyboard example for a nRF52832 on a Laird DVK-BL652 breakout board. I have a tablet running android 5.1.1 and the nordic nRFConnect...
- hid nrf52832 android
2160 views

0 replies

Started over 6 years ago
by chris
Not Answered
persistent tls handshake error -0x2700 on nrf52840 0

Hello All, We are using nrf52840 board interface with wiznet550i. We try to implement mqtt tls 1.2.we get following errors.. I get certificate verification error -0x2700...
- tls1.2
2971 views

0 replies

Started over 6 years ago
by lalit-tmt
Not Answered

ble encrypted link 0

Hi there, I am working with

1033 views

0 replies

Started over 6 years ago
by Wah
Not Answered

characteristics value not updating 0

Hi, i am using SDK v8 with softdevice v8,using master control panel pc application,added custom service and characteristics to application,problem is characteristics value...

1383 views

0 replies

Started over 6 years ago
by nagaraj

Recent in Nordic blog

Debugging on nrf52840 with GDB from CLI on linux

jfcamel

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 &…
- 14 Dec 2017
The KEY POINT of example "ble_app_uart"

QQ645116977

This article baed on "pca10040", nRF52832 example code path "examples/ble_peripheral/ble_app_uart" IMPORTANT!!!! board config file of this example located in "components/boards/pca10040.h" and uart…
- 12 Dec 2017
Introduce smart motion controller - ELIO

caram5555

"ELIO" is a Bluetooth module and smartphone application that can drive motor(DC, Servo) and illuminate LEDs. This module mounts Nordic's nRF52832 and motor controller IC. Smartphone application can create…
- 12 Dec 2017

Latest guides

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
nRF5x: General PCB design guidelines for nRF52 series

FormerMember

When designing a PCB with a high-frequency radio onboard certain rules should be followed for optimal radio frequency (RF) performance. This guide will provide some general PCB guidelines that can be used…
- 11 Jul 2016
Software Development Kit: Migrating to Peer Manager

Øyvind Rønningstad

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…
- 8 Apr 2016
Bluetooth low energy: Bluetooth low energy Characteristics, a beginner's tutorial

MartinBL

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…
- 18 Mar 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 2 Connection

Hung Bui

This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is described in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 1 Feb 2016
Design Examples: Capacitive Touch on the nRF52 series

Einar Thorsrud

Important updates: Due to erratum 84 (COMP: ISOURCE not functional), capacitive sensing using the relaxation oscillator method is not usable in a real product with the nRF52832, as it will only work reliably…
- 31 Jan 2016