Nordic DevZone

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

Not Answered
How to run OTA on BLE Nano 0

dear all, i need your help. Where we are: We use mbed software developer platform. We have BLE Nano V1.5 + MK20 USB Board V1.0 from RedBear. We are able to generate...
- ble nano ota dfu
970 views

0 replies

Started over 7 years ago
by pargfrieder7
Not Answered
Declaration of en_text_rec in NRF52 NFC Record text Example 0

static void en_record_add(nfc_ndef_msg_desc_t * p_ndef_msg_desc) { /** @snippet [NFC text usage_1] */ uint32_t err_code; static const uint8_t en_payload[] = {'H'...
- 10040 132 nrf52832 s132 nfc
870 views

0 replies

Started over 7 years ago
by Ramkumar
Not Answered
[nRf52832, LWM2M] in no-security mode can not register LWM2M server 0

Hi: environment: target board: DK52 board and run LWM2M example of IOT-SDK v0.9 router: ubuntu 16.04 on VM and runs bsserver and LWM2M server on ubuntu 16.04 ...
- lwm2m
- nrf52832
1151 views

0 replies

Started over 7 years ago
by pasta
Not Answered
Drain current on Txd pin 0

Hi, I'm interfacing a nrf51822 and a H8/3294. My question is how much can I drain a the txd pin of the H8/3294. That means my question isn't really about nrf51822. In documentation...
- output current pin
573 views

0 replies

Started over 7 years ago
by Jief
Not Answered
LFXO active with 0.5μA higher current 0

Hi, On the 3.30 of nRF52832_Rev_1_Errata_v1.5.pdf, the sleep current with LFXO active is 0.5μA higher. I am using a nRF52832 module with the low frequency crystal oscillator...
- nrf52
- s132
- lfxo
711 views

0 replies

Started over 7 years ago
by ALE

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