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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） ...

623 views

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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...

842 views

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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...

1742 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...

1711 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
995 views

0 replies

Started over 7 years ago
by Mattias

Recent in Nordic blog

Optimizing Power on nRF5340 SoC Designs

WesC

Objectives The objective of this blog is to guide the user in the optimization of power on the nRF5340 SoC. The goal is to understand what is needed from a software, hardware, and system level design to…
- 24 Aug 2021
What's new in Bluetooth 5.3?

Ali Aljaani

The Bluetooth Core Specifications v5.3, released mid-July 2021, is the latest version of Bluetooth, the number one short-range wireless protocol. This new version introduces several features enhancements…
- 20 Aug 2021
Optimizing BLE-MIDI with regards to timing

Magnus

MIDI is a well-known protocol used by musical instruments to communicate. A typical modern application is connecting a musical keyboard to a DAW, letting you record directly into software and edit your…
- 12 Jul 2021

Latest guides

Peripherals And RF Test: Writing device drivers for UART peripherals

Halvor Bjorstad

This post aims to cover some of the specifics of developing device drivers for UART peripherals for Zephyr.
- 20 Jul 2021
Software: Testing concurrent multi-protocol support of Zigbee & BLE over single USB connection to external CPU

Mark Q

Purpose The purpose of this blog is to showcase how a single USB bus can be used as the physical transport for multiple protocols when an external CPU is the controller. Specifications as tested Boards…
- 13 Jul 2021
Peripherals And RF Test: Working around missing shield labels (on the nRF9160 DK)

Embla Flatlandsmo

Table of Contents Objectives What are device tree overlays, and how do they relate to shields? Why are Arduino nodes not recognized in the nRF9160 DK? The workaround: Using the shield as a board ove…
- 25 Jun 2021
Peripherals And RF Test: LVGL on a TFT LCD Display with the nRF9160 DK

Embla Flatlandsmo

Table of Contents Hardware Components Wiring Software Prerequisites Steps Incorporating this into other projects Further reading Attached files This blog post demonstrates how to get a LVGL sample…
- 25 Jun 2021
Software: Using the NCS / West to program the Radio_Test example into the nRF5340-DK for agency testing.

Jay Tyzzer

Background: There is a need to be able to put a Nordic Semiconductors S0C /transceivers into modes where the physical layer and RF characteristics may be ascertained. The radio test example is used to…
- 18 Jun 2021
Software: Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice - Part 2 Central role

Hung Bui

This is part 2 of the series Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice based Bluetooth applications You can find the other parts here: Part 1 - Peripheral Role. Part…
- 5 May 2021