Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
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

Software: Using a custom Secure Partition Manager with your application

Heidi-Irene Harvey Sollie

One of the samples available in the nRF Connect SDK is the Secure Partition Manager, which is required to run applications in the nonsecure domain of the CPU. The sample uses the SPM library available in…
- 12 Feb 2020
Getting Started : nRF Connect SDK Bluetooth Low Energy tutorial part 1: Custom Service in Peripheral role

haakonsh

Scope The goal of this tutorial is to set-up your own custom Bluetooth Low Energy service on an nRF5340 acting in a peripheral role. We will set up a new Bluetooth LE project from scratch. The finished…
- 11 Feb 2020
Mesh Networks: Mass Provisioning of Nordic BLE Mesh Nodes

Mark Q

Purpose When creating a mesh network with many nodes, it can take a while to provision each node, especially using PyACI. An alternative is to use a static provisioner that provisions the nodes automatically…
- 8 Feb 2020
Software and Protocols: Enabling and testing TLS in mqtt_simple

Daniel Veilleux

The MQ Telemetry Transport (MQTT) protocol is hugely popular in IoT because it is lightweight and versatile. In this post we will enable Transport Layer Security (TLS) in the mqtt_simple sample from the…
- 4 Feb 2020
Getting Started: Introduction to Nordic nRF5 SDK and Softdevice

Mihua

What is the difference between SDK and Softdevice? How can we select SDK and Softdevice versions? Do the SoC, SDK, and Softdevice have version compatibility problems? How can we understand the SDK directory…
- 15 Jan 2020
Software and Protocols: Automating nRF91 TLS credential management via serial port AT commands

Daniel Veilleux

I have spent a bit of time recently experimenting with different TLS credential configurations using nRF91-DKs. Eventually I got to the point where I wanted to do things like swap out the certificates…
- 10 Jan 2020