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ADC for battery measurment and ports 26,27 and 28 0

Hi, I am using ADC without external reference and no analog input in order to measure the battery level with a timer (code at the end). I am also reading several ports...
- adc
- s110
- nrf51822
907 views

0 replies

Started over 10 years ago
by Antonio
Not Answered
User data cannot be preserved in FLASH on PCA10001? 0

Hi, I'm programming the nRF51822 and save some user data into the FLASH by using pstorage_update . It works fine if I set system off mode, and wake it up. I can read back...
- pstorage
- s110
- nrf51822
591 views

0 replies

Started over 10 years ago
by scytulip
Not Answered
Using nRF51822 beacon with the Android beacon library 0

Hi, I have been using nRF51822 with my Android app using Android's Bluetooth Low-Energy APIs. In order to get more details, I am currently working on integrating the Android...
- advertising
- android
- beacon
- nrf51822
3717 views

0 replies

Started over 10 years ago
by Android Geek
Not Answered
Wheatstone Bridge Interface 0

I'm looking at interfacing a typical Wheatstone bridge sensor to the nRF51822 ADC. This particular sensor only requires a mA or two for excitation and the output fits within...
- adc
- wheatstone
- low-power
- nrf51822
831 views

0 replies

Started over 10 years ago
by Andrew Kohlsmith
Not Answered
nRF51822 Update iOS 7 disconnects 0

When use the "nRFBeacons" app to update the info on my beacon the following happens: Go to update tab. Select "Connect" Press "SW2" on beacon and see the LED begin flashing...
715 views

0 replies

Started over 10 years ago
by David

Recent in Nordic blog

Readiing humidity from HTU21D sensor using TWI

Fredrik Sundt Brynhildsvoll

##Measuring humidity using TWI on nrf52## In this post I will explain how the nRF5x chip can be used to communicate with a sensor over TWI (I2C). To run this example extract the files to examples -…
- 24 Feb 2016
Production release of S130 & S132 v2.0 SoftDevices for the nRF51 and nRF52

Pär H

Since Nordic Semiconductor released the S130 SoftDevice for our nRF51 ICs in early 2015, we have been working hard to make our Bluetooth low energy protocol stacks more feature rich and more configurable…
- 22 Feb 2016
Keil + nrfjprog = true

Øyvind Karlsen

In this blogpost we will demonstrate the usage of Keils integrated command line functionality. We will start nrfjprog through Keil bindings in order to erase our chip and program SoftDevices. nrfjprog…
- 22 Feb 2016

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