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Stopping app_timer (using app_timer_stop) results in too much current during ON,IDLE mode 0

I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following: Initializes the app_timer using the scheduler: ...

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Started over 10 years ago
by Kyle
Not Answered

Control GPIO by PPI and timer1 +1

I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000. I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...

1864 views

0 replies

Started over 10 years ago
by mansfield
Not Answered

One command execution time on serialization 0

Hi, I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...

735 views

0 replies

Started over 10 years ago
by Elliot.Chao
Not Answered

Has anybody used pervasive dispalay (repaper) on NRF51822 Evaluation Kit? 0

Has anybody got it working? I ported the EPD library from Adruino EPD libray but not sure where its going wrong.

749 views

0 replies

Started over 10 years ago
by Barada Mishra
Not Answered

get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE 0

I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...

2465 views

0 replies

Started over 10 years ago
by julian

Recent in Nordic blog

Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014
Sniffer application for OS X

RK

I've put up on Sourceforge, a Mac OSX application which interfaces with the Nordic BTLE sniffer software and has some of the functionality of the Windows application Nordic ships with that software package…
- 1 Oct 2014
Getting started with nRF51 development on Mac OS X

Eirik Midttun

Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014

Latest guides

Software: Using nRF Connect SDK and west to compile and program the DTM example into the nRF52840 DK

Jay Tyzzer

Background There is a need to enable Nordic hardware with the Direct Test Mode (DTM) firmware. This is so the physical layer and RF characteristics may be ascertained as set in the Bluetooth Sig Specification…
- 14 Apr 2022
Software Development Kit: nRF5 SDK v17.1.0 Secure DFU Hands-on Tutorial for the nRF52810

notsane0

Requirements This document uses: Segger Embedded Studio (SES) nRF5 SDK v17.1.0 an nRF52 DK to emulate the nRF52810 a BLE-enabled mobile device You may want to review the blog here for a more comprehensive…
- 8 Apr 2022
Software Development Kit: nRF5 SDK v17.1.0 Secure DFU Hands-on Tutorial

notsane0

Requirements This hands-on tutorial uses: Segger Embedded Studio (SES) nRF5 SDK v17.1.0 an nRF52840 DK a BLE-enabled mobile device You can use an nRF52 DK or nRF52833 DK instead of the nRF52840 DK,…
- 8 Apr 2022
Software: Building a Bluetooth application on nRF Connect SDK - Part 3 Optimizing the connection

Hung Bui

This is part 3 of the series Building a Bluetooth application on nRF Connect SDK You can find other parts here: Part 1 - Peripheral Role. Part 2 - Central Role. In Part 1 we covered the generic architecture…
- 21 Feb 2022
Peripherals And RF Test: Using Bluetooth Shell

Mark Q

Purpose The purpose of this guide is to demonstrate the use of Bluetooth Shell. Bluetooth Shell (BT Shell) is a command-line shell application that runs over the UART. It allows one to manually type in…
- 21 Jan 2022
Software: Memory Optimization with the nRF Connect SDK

matt.heins

Out of the box, the examples in the nRF Connect SDK are configured for ease of use, functionality, and debugging; they are not generally configured for optimal memory utilization. Some of the examples…
- 6 Jan 2022