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Not Answered
GPIO port input in low power mode 0

Hello, I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
- nrf51822
1195 views

0 replies

Started over 7 years ago
by michael
Not Answered
Central whitelists with peer manager under FreeRTOS 0

Hi Nordic, I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos. What I see: central app crashes (hardfault...
- peermanager
- s132
- nrf52832
- central
- sdk13
1033 views

0 replies

Started over 7 years ago
by x_mike
Not Answered

Need help for this captured BLE HID key code? 0

Hello All, I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...

1225 views

0 replies

Started over 7 years ago
by alikob
Not Answered

COMMUNICATION BETWEEN TWO NRF51X BOARDS 0

I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...

561 views

0 replies

Started over 7 years ago
by ANKITTY
Not Answered

BLE beacons for sensor data, replay attack & spoofing 0

Hi, I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...

1392 views

0 replies

Started over 7 years ago
by BLE_lp

Recent in Nordic blog

AEC-Q100 qualified nRF51824 now available for intelligent connected vehicle applications

John Leonard

nRF51824 - World's most capable automotive qualified Bluetooth SoC The nRF51824 is now available qualified to AEC-Q100 for automotive applications that demand AEC-Q100 qualified devices. The nRF51824…
- 8 Jun 2016
Building a Cross Platform Mobile App to communicate with nRF51

Mahesh Venkitachalam

Summary Construction of a cordova based cross platform mobile app that displays heart rate measurement data sent by a Nordic nRF51822 device via BLE. This data is periodically posting this to thingspeak…
- 7 Jun 2016
Measuring Lithium battery voltage with nRF52

Ole Bauck

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider on nRF52. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and we (Nordic) recommend…
- 23 May 2016

Latest guides

Getting Started : Getting started with Bluetooth Electronic Shelf Labels (ESL) and Periodic Advertising with Responses (PAwR)

Lorenzo Amicucci

The new Bluetooth 5.4 features Periodic Advertising with Responses (PAwR) and Encrypted Advertising Data (EAD) can be used for one-to-many applications. One of these is the Electronic Shelf Labels (ESL…
- 7 Aug 2024
nRF5x: General PCB design guidelines for nRF52 series

Kaja

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…
- 6 Nov 2023
Software: Periodic Advertising with Responses (PAwR): A practical guide

Hung Bui

Periodic Advertising with Responses (PAWR) is a new feature in Bluetooth 5.4. It extends the periodic advertising protocol from Bluetooth 5.0. Periodic advertising, where a device sends broadcast data with…
- 13 Sep 2023
nRF5x: General PCB design guidelines for nRF53 series

Kaja

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…
- 6 Jul 2023
Software and Protocols: nRF Cloud Access Provisioning

Charlie

Please note that some information on this page may be outdated due to ongoing improvements in nRF Cloud. For the most current details on provisioning services, refer to the nRF Cloud Security Services…
- 1 Dec 2022
Software and Protocols: Field verification of GNSS on the nRF91 Series

JaniM

Introduction The intention of this guide is to clarify and describe the main aspects relevant to the GNSS receiver functionality on the nRF9160 as well as build configurations, tool recommendations and…
- 10 Jun 2022