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Not Answered
PCB antenna used in the nRF51 DK 0

I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
- antenna nrf51dk
721 views

0 replies

Started over 8 years ago
by BCNLANYC
Not Answered
How to see which part of the code/variable is using more Memory ? 0

Hi. I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
- nrf52 keil c memory
685 views

0 replies

Started over 8 years ago
by Muhammad Ahmad Shah
Not Answered
asynchronous pulse counting in low power mode 0

Hello, I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode. Pulses are asynchronous The rate of pulses can...
1043 views

0 replies

Started over 8 years ago
by fakufaku
Not Answered
nRF52 SAADC gain error a function of Vcc? 0

Hi I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52. Both the reference resistor and the PT-100 is sampled while the voltage...
- nrf52
- adc
- gain
- vcc
- nrf52382
- saadc
2202 views

0 replies

Started over 8 years ago
by Visti Andresen
Not Answered
Sample multiple inputs with fixed rate using ADC hal 0

Hi I have been searching the forums, but were not able to find an answer to my question. I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
- adc
- oftdevice
1240 views

0 replies

Started over 8 years ago
by Phillip

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

Getting Started: Adjustment of RAM and Flash memory

AndreasF

The scope of this tutorial is to make it clear how a developer can adjust the RAM and FLASH memory start addresses. The examples demonstrated in this tutorial uses SDK 15.2 The first three Sections explains…
- 7 Dec 2018
Getting Started: nRF52840 Dongle Programming Tutorial

Einar Thorsrud

This tutorial demonstrates how to adapt and program SDK example applications to the nRF52840 dongle using USB DFU. It also describes how to program the dongle via Serial Wire Debug (SWD) using an external…
- 27 Nov 2018
Getting started: Announcing the nRF Connect for Cloud Device API Preview

Markus Tacker (he/him)

We are happy to announce our first release of the nRF Connect for Cloud Device API! Connect your BLE, LTE/NB-IoT or any other device to our free IoT development platform and interact with that device through…
- 12 Oct 2018
Bluetooth low energy: Merging two BLE examples together

Håvard

This is a follow-up to my previous blog post; adding custom commands to a BLE example. I hope it was interesting to see an example of adding the vendor specific Nordic UART service (NUS) into another…
- 6 Sep 2018
Software Development Kit: Getting started with Nordic's Secure DFU bootloader, a step by step guide

Hung Bui

The content of this blog was based on the documentation of BLE Secure DFU example, Bootloader module library and Buttonless DFU service from our SDK. Here we provide you step by step instructions to make it…
- 20 Mar 2017
Getting Started: Introduction to Bluetooth low energy and Bluetooth low energy development (video tutorial)

FormerMember

We have produced a video tutorial in two parts about Bluetooth low energy. The purpose is to give you a developer’s introduction to BLE and the development tools offered by Nordic Semiconductor. NB! Please…
- 6 Oct 2016