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How to record the slave node's address and receive time on RADIO END event? 0

I am working on an application and need to get the exact time that the master node receive advertising from the slave node. I tried with PPI and it's ok to capture the Radio...
- nrf51822
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Started over 10 years ago
by frank zhang
Not Answered
Paring BLE with iOS device 0

Hi what is the best way to pair nrf51822 ble_app_uart with its application.
721 views

0 replies

Started over 10 years ago
by max
Not Answered

ADC reference 0

Hi, could you please tell me if my assumptions below correct? Measuring a (ratiometric to VCC) analog signal and selecting VDD_1_2_PS as the reference selecting AIN_NO_PS...

1586 views

0 replies

Started over 10 years ago
by Yano
Not Answered
Odd behavior with SOFTDEVICE_HANDLER_INIT w/o Scheduler 0

When I initialize the SoftDevice with SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false); // Sets up Crystal Source to 20ppm 32.7628kHz The project I based...
939 views

0 replies

Started over 10 years ago
by Locky
Not Answered

API to see undiscoverable mode 0

I am trying to make a product with NRF8002B. I finally have the product prototyped. The user will connect to the device, beep, light up, and track. It will always stay on...

992 views

0 replies

Started over 10 years ago
by Stavros Tsardounis

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

nRF5x: Current measurement guide: Introduction

Stian Røed Hafskjold

###Other relevant posts A concise guide to equipment setup, and how to use the development kit for current measurements can be found here: Measuring current with PCA10040 v0.9.0 A post that describes…
- 1 Dec 2015
nRF5x: General PCB design guidelines for nRF51 series

Petter Myhre

When designing a PCB with nRF51, nRF51822 or nRF51422, there are some rules that should be followed in order to get a good working radio/system, with a maximized range. General rule The RF part of the…
- 13 Nov 2015
Software Development Kit: nRF5 SDK Scheduler Tutorial

Einar Thorsrud

2019-02-08: Updated tutorial to cover nRF5 SDK version 15.2. Introduction Scope The following topics will be included in this tutorial: Configuration of the Scheduler library. Using the scheduler with…
- 9 Nov 2015
Bluetooth low energy: Bluetooth low energy central tutorial

Anders Strand

Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Setting up the example projects Background theory Central and peripheral roles…
- 4 Nov 2015
Software Development Kit: nRF5 SDK Application Timer Tutorial

Einar Thorsrud

2018-11-23: Updated tutorial to cover SDK version 15.2. 2019-02-08: Improved example project (SDK 15.2) and updated instructions accordingly. Introduction Scope The following topics will be included in…
- 30 Oct 2015
Bluetooth low energy: Bluetooth low energy Services, a beginner's tutorial

MartinBL

Before we begin Scope Topics that will be covered include: Before we begin Necessary equipment and software Necessary prior knowledge Some basic theory The Generic Attribute Profile (GATT) Services…
- 26 Aug 2015