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gpio usage questions on npm1300 0

Hello. I'm trying to control led in gpio pin in addition to LED pin in npm1300. I don't think you need to use resistance in LED pins, Is it the same when using led in gpio...
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0 replies

Started 6 hours ago
by ozoz05
Not Answered
Dynamically Allocated GATT Service Not Visible in nRF Connect for mobile 0

When dynamically allocating BLE GATT services and characteristics using custom structures and Zephyr’s dynamic memory functions (e.g., k_malloc, k_calloc), the service registration...
- development
- software
- nRF54L15
- zephyr
47 views

0 replies

Started 19 hours ago
by Mahmoud Fadel
Not Answered
nrf5 sdk download links no longer working 0

Hi, Previously it was possible to download the old nrf5 sdks from for instance this url: developer.nordicsemi.com/.../nRF5_SDK_v15 .x.x/ but it seems to not be available...
49 views

0 replies

Started 2 days ago
by Peter Lerup
Not Answered
Setting bInterval to 1 ms for hid-mouse Zephyr example 0

Hi everyone, I'm trying to set the USB polling rate with the nRF52840 and it seems like I'm stuck at 8 to 9 ms polling (~125 Hz). I'm using the Zephyr hid-mouse example...
- software
- Evaluation
- nrf52840
- usb
39 views

0 replies

Started 2 days ago
by juskim
Not Answered
ESB PTX and PRX with ACK - How long is the ACK from PRX? 0

Hi, we have ESB PTX and PRX couple from nRF54H20 nRF54H20DK (rev. 0.9.1), SDK: v2.9.0-nRF54H20-rc2 and the same Toolchain, IDE: VSCode + nRF Connect plugin build for CPURAD...
- software
- nRF54H20
- Evaluation
- esb
42 views

0 replies

Started 3 days ago
by Peter Langer Keysoft

Recent in Nordic blog

How to use the latest Keil 5 for Keil 4 projects (.uvproj)

Stefan Birnir Sverrisson

As many have noticed, Keil 5 does not have native support for Keil 4 projects (project files ending with uvproj), it only has native support for Keil 5 projects (project files ending with uvprojx). However…
- 26 Mar 2015
The Google UriBeacon Project

Jason

Overview The UriBeacon design allows a Bluetooth Low Energy (BLE) device to periodically transmit an ADV packet that contains a URI. This technology enables any device, place or thing to become a beacon…
- 17 Mar 2015
Flashing SoftDevice directly from ARM Keil uVision and Makefile (nRF51 SDK 8.0.0)

Krzysztof Chruscinski

Since nRF51 SDK version 8.0.0 SoftDevices binary files have become a part of the release. In order to make it easier to flash proper type and version of SoftDevice a new feature was added: each project…
- 16 Mar 2015

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