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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 11 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...

1887 views

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Started over 11 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...

757 views

0 replies

Started over 11 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.

767 views

0 replies

Started over 11 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...

2480 views

0 replies

Started over 11 years ago
by julian

Recent in Nordic blog

SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
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

Latest guides

Software and Protocols: Connecting to AWS cloud services using the nRF9160

Hakon

The purpose of this document is to give a brief introduction to AWS services, and explain how to connect to these services using nRF9160 devices and the MQTT protocol. The tutorial covers the necessary…
- 2 Oct 2020
Software and Protocols: Monitoring nRF9160 data usage with connectivity statistics

Markus Tacker (he/him)

This blog posts explains how to use the nRF9160 connectivity statistics to monitor data usage
- 9 Sep 2020
Mesh Networks: Guide to the Thingy52 Mesh Provisioning Demo

Mark Q

Introduction This document will go over the process of running a Mesh Provisioning Demo using the nRF Mesh app available on Google Play or iOS App Store from Nordic Semiconductor. There is a blog post…
- 20 Jul 2020
Getting Started : NUS on nRF Connect SDK: The Nordic UART Service with the nRF Connect SDK

matt.heins

NUS with nRF Connect SDK: Wireless UART with the nRF Connect SDK This year Nordic is transitioning from the nRF5 SDK to the nRF Connect SDK (SDK) as part of an effort to expand the power and breadth of…
- 16 Jul 2020
Getting started: nRF9160 Developing for Production

Akash Patel

Last updated on 02/25/2021, see changelog at the end for more details This guide is written for those who are working on the nRF9160 and are starting their firmware design soon or for those who have already…
- 10 Jul 2020
nRF5x: nRF52805 Specific PCB Guidelines

Andreas

This guide will cover the specific areas that must be paid extra attention to when designing a PCB for nRF52805. It is intended as a nRF52805 specific addition to the General PCB design guidelines for…
- 18 Jun 2020