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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
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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...
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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
40 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
Not Answered
SDK2.9.0 - QSPI and TWI driver power management (CONFIG_PM_DEVICE_RUNTIME) 0

Hi. After migration from SDK2.7.0 to SDK2.9.0 I have issues with power mangement. CONFIG_PM_DEVICE_RUNTIME=y, which I used, causes that twi driver doesn't start. I try to...
46 views

0 replies

Started 3 days ago
by PW

Recent in Nordic blog

Programming nRF51 with ST-Link & uVision

Milan

Hi, I am planning to design a device based on nRF51-dk but with external programmer. I have ST-Link available so I thought I just provide a simple walk through showing how to set it up. Firstly, here…
- 10 Dec 2014
Visualising your memory usage

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The linker in the GCC toolchain, ld, produces a *.Map file which shows you how the memory on your micro is being used. This file is a goldmine of information but it's a bit difficult for humans to absorb…
- 2 Dec 2014
Using the ADC with the S110 SoftDevice

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A good place to start with getting to know how to use the ADC with the S110 SoftDevice is by using one of the BLE ADC code examples provided on Nordic's Github page, where BLE examples have the "ble_…
- 28 Nov 2014

Latest guides

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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
nRF5x: General PCB design guidelines for nRF52 series

FormerMember

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…
- 11 Jul 2016
Software Development Kit: Migrating to Peer Manager

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The tutorial has been updated for SDK v11, which contains the production-ready release of Peer Manager. The original tutorial can be found on this page, below the updated tutorial. #Migrating to Peer…
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Before we begin Table of content Topics that will be covered include: Before we begin Basic theory Attribute tables in nRFConnect Bluetooth Low Energy application Description of the example Adding a…
- 18 Mar 2016
Bluetooth low energy: Bluetooth Smart and the Nordic's Softdevices - Part 2 Connection

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This blog series was created as an attempt to fill in the gap between how Bluetooth Smart is described in the spec and how you can use our APIs and event from our softdevice to do what defined in the spec…
- 1 Feb 2016
Design Examples: Capacitive Touch on the nRF52 series

Einar Thorsrud

Important updates: Due to erratum 84 (COMP: ISOURCE not functional), capacitive sensing using the relaxation oscillator method is not usable in a real product with the nRF52832, as it will only work reliably…
- 31 Jan 2016