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nRF24L01+ transmitting before auto acknowledgement is complete. 0

I'm running into a weird timing issue with a nRF24L01+ which I'm not quite sure how to work around in the general case. The basic setup is two radios, A and B. Auto acknowledgement...

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0 replies

Started over 10 years ago
by David Watson
Not Answered
Connect another board over UART from nRF51822 mKit board 0

I am using mbed library to get leg up on development. This is the first time I am writing any MCU application and it sure makes things a lot easier. I am using nRF51822...
- mbed
- uart
- nrf51822
1427 views

0 replies

Started over 10 years ago
by Jigar Patel
Not Answered
HID Service on iOS 0

I've recently began experimenting with the HID service and connecting to iOS devices in order to achieve lower connection intervals with Apple products (as described in their...
1969 views

0 replies

Started over 10 years ago
by Adam
Not Answered

the speed of large amount of data 0

int main(void) { uint32_t BufferCount; uint32_t err_code; // Initialize leds_init(); timers_init(); buttons_init(); uart_init(); ble_stack_init(); gap_params_init...

954 views

0 replies

Started over 10 years ago
by fitfuel
Not Answered
Gazell library source code. 0

Hi I have a question about using gazell link layer and paring library with concurrent timeslot api. I try to do this but i have the hard fault handler after invoked nrf_gzll_init...
- gazell
- nrf51822
1506 views

0 replies

Started over 10 years ago
by Firek

Recent in Nordic blog

Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

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…
- 15 Dec 2017

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