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how to use whitelist in ble_app_hrs_c 0

S130, SDK 12.3, ble_app_hrs_c example. I want to use whitelist function in this example but I can't finish it. When I run peer_list_get(), it gets all 0xFF, means that...
- s130
- whitelist
- ble_app_hrs_c
- nrf51822
928 views

0 replies

Started over 7 years ago
by kamisen
Not Answered

services size is zero 0

sometime,i use android app to scan ble device,it will display "the device dose not has required services",the gatt.getServices.size is zero.why?

576 views

0 replies

Started over 7 years ago
by nowen
Not Answered
one wire library for nrf51822 keil 0

one wire library for nrf51822 keil for connected ds18b20 .
- nrf51822 keil one wire
788 views

0 replies

Started over 7 years ago
by morteza1994
Not Answered
Nordic NFR52832 Two Masters with FTDI SPI-USB Bridge 0

Hi all, I am making a device which involves using nfr52832(PCA10040) to communicate with a NAND flash through spi to store data acquired from the ADC. After all the data...
- c232hm
- adc
- qt
- nfr52832
- ftdi bridge
- spi
- keil
- spi-usb
1015 views

0 replies

Started over 7 years ago
by bryanhsieh
Not Answered
Using semihosting with sdk11? 0

How to enable semihosting in sdk11 examples? This works, but I can't port it to examples/periferal/template_project :( changes: pca10028/armgcc/Makefile: adding...
1100 views

0 replies

Started over 7 years ago
by Petr Beklemishev

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