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What does it mean to be "connected"? 0

Hello, What is the difference between 2 devices which are constantly scanning and 2 devices which are connected? Also, how do I code 2 devices to connect to each other?...
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Started over 4 years ago
by user99041
Not Answered
nRF52840 DK stops to scan after 3 hours working 0

Help me please!!! nRF52840 DK stops to scan after 3 hours working. Project is based on central_nordic_uart_service. Scan params it works fine 3 hours and then BLE...
64 views

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Started over 4 years ago
by user103465
Not Answered
Can't implement AES 128 CTR algorithm 0

Hi. I'm working with an NRF5340DK using NRF Connect SDK in a project where I need to decrypt an input text with a previously adquired key usign AES128 CTR, but I've been...
57 views

0 replies

Started over 4 years ago
by user106538
Not Answered
Recommendations: Where to hire nRF52 contractor for help with running Tensor Flow Lite for Microcontrollers model? 0

System Details: Board: Custom Chip: nRF52840 (also nRF52833) PCA Number: PCA10056 SoftDevice: S140, v7 nRF5 SDK: Version 16.0.0 mdk version: 8.46.0 nrfjprog...
72 views

0 replies

Started over 4 years ago
by user89527
Not Answered
Zephyr is not able to advertise and keep central connections after "bt_conn: Unable to allocate TX context" 0

Hi everyone. I catch a terrible issue When I use nrf52840 and NUS Android app and had for a short time a bad rssi (because of long distance between Android and SoC) and...
77 views

0 replies

Started over 4 years ago
by user103465

Recent in Nordic blog

Nordic Semiconductor nRF51822 Firmware for Background Data Recording

user4448

#Nordic Semiconductor nRF51822 Firmware for Background Data Recording Updating on https://github.com/scytulip/nrf51-back-rec Design Objective This firmware is designed for low-cost long-time low-power…
- 23 Oct 2014
Beacon Kit - Mistake in Ref_Design_UG_v1.0

user4711

I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

user4711

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014

Latest guides

Software Development Kit: Radio Notification

user6606

Radio Notification In this tutorial we will set up a beacon example and modify it to use radio notification. Then we will use radio notification to light a LED when the radio is transmitting. While this…
- 17 Jun 2015
Software Development Kit: Board support package (BSP)

user6606

Board Support Package In this tutorial we will use the Board Support Package to control hardware peripherals on the nRF51 or nRF52 DK. Required tools Keil 5.20 nRF SDK 11 nRFgo Studio 1.21.…
- 8 Jun 2015
Hardware design, test and measurement: nRF51 series current consumption guide

user2110

nRF51 Low power modes and power profiles documentation The low power modes for the nRF51 series are System On and System Off. You can read about them in the nRF51 Series Reference Manual v3.0 sections…
- 1 Jun 2015
Software Development Kit: Setting up device firmware update(DFU) on the nRF5 DK

Stian Røed Hafskjold

###Note: This tutorial is for the legacy DFU module included in SDK version 11 and earlier. To get started with the new DFU included in SDK 12 and above, please see the SDK documentation in the Infocenter…
- 1 Jun 2015
Bluetooth low energy: Bluetooth low energy Advertising, a beginner's tutorial

user3500

Before we begin Table of context Before we begin The "Hello world" example Advertising RSSI Addresses Address types Advertising types Bonding Advertising data Scan response data Change Log 2018…
- 31 Mar 2015