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Question about sd_ble_gatts_hvx？ 0

Dear nordic employee my purpose is send a data the length is from 150 to 273 when my server device send data by sd_ble_gatts_hvx（the send length is fixed 10 bytes） ...

619 views

0 replies

Started over 7 years ago
by victor_CHINA
Not Answered

ASK:why my service always found failed? thks 0

Dear nordic employee： The service I want to find is the sound service of the thing52 thingy sound service I tried to modify the HRT_central_client project to find the...

840 views

0 replies

Started over 7 years ago
by victor_CHINA
Not Answered

About BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST 0

When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST: 1, when peripheral...

1738 views

0 replies

Started over 7 years ago
by Stayhungry
Not Answered

No section matches selector （nRF5_SDK_13.1.0_7，52832） 0

hi dear nordic employee: I tried to build the project ble_app_hrs_c（pca10040） by keil5 but I get an error : ._build\nrf52832_xxaa.sct(7): error: L6236E: No section...

1707 views

0 replies

Started over 7 years ago
by victor_CHINA
Not Answered
Sleep between bytes on nRF52832 UART 0

Hi, I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
- nrf52832 uart power
988 views

0 replies

Started over 7 years ago
by Mattias

Recent in Nordic blog

Working with the BBC on micro:bit: Part 1

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Ever wondered how the nRF51822-based BBC Micro:bit first started to come to life?....Then read on.... Working with the BBC on micro:bit: Part 1 - using the mbed HDK For the last few months, we’ve been…
- 17 Sep 2015
Nordic Global Tech Tour – Kickstart your nRF52 Series project development in a day

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It’s that time again The Nordic Global Tech Tour is about to hit the road again. This time it is all about the goodies inside our nRF52 Series for Bluetooth Smart and what they enable you to do. The…
- 11 Sep 2015
Current vs Voltage for nrf51 CPU

FormerMember

Since I couldn't find the information of how the supply current would change with different supply voltage for nrf51 chip, this is the result of a little test that I made to get this info. Setup: nrf51…
- 9 Sep 2015

Latest guides

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

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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

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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

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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