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nRF51822 realistic low latency using Gazell? 0

Hi, We're looking for a low-latency 2.4GHz solution (not BLE) and the nRF51822 is oft-quoted as providing low latency, but what are the typical ms figures we could achieve...
- latency
- gazell
- nrf51822
1425 views

0 replies

Started over 9 years ago
by gap
Not Answered
HID over GATT (HOGP) and custom services on Android 0

Hello all, in my previous question (Switch between applications (multiple services.h)) I got the advice to merge my two services into one service, including a HID over...
- hid overgatt
- android
- nrf8001
- hogp
- custom service
6644 views

0 replies

Started over 9 years ago
by bledev
Not Answered
Using lib_aci_connect vs. lib_aci_broadcast 0

I am trying to create an nRF8001 based application that will broadcast battery levels (pipes broadcast, set), and give out temperature data (pipe indicate - TX_ACK) to connected...
- nrf8001
513 views

0 replies

Started over 9 years ago
by Mahesh Venkitachalam
Not Answered
printf with redbearlab nrf51822 board 0

Hi, I'm using redbearlab's nrf51822 board. It is a arduino compatible board and hence it is using 0,1 (mapped to 9 and 11 for nrf51822). How do I make printf print to this...
- retarget.c printf
- printf
1111 views

0 replies

Started over 9 years ago
by RTR
Not Answered
How to switch between PA and LNA? and how to disable PA/LNA when there isn't transceiver? 0

An external PA/LNA is used to extend range of nRF51822, and S110 is used for BLE, How to switch between PA and LNA? and how to disable PA/LNA when there isn't transceiving...
- nrf51822 pa lna s110 ble
2422 views

0 replies

Started over 9 years ago
by cenuser

Recent in Nordic blog

Bluz, a cloud connected Bluetooth LE development kit based on the nRF51822, is live on Kickstarter

eric ely

Bluz is a brand new development kit that brings Bluetooth LE to the internet. We have paired up with Spark and ported their FW to the nrf51822, allowing Bluz to be controlled and programmed over the…
- 15 Apr 2015
nRF51 current consumption for common scenarios

Stefan Birnir Sverrisson

The following is the estimated nRF51 current consumption during advertising with the DCDC disabled. Advertising 1: TX power: +4dBm adv interval: 20ms (minimum advertising interval in normal adversising…
- 14 Apr 2015
Building kernel for RPi2 with bluetooth_6lowpan for Raspbian

Håkon Alseth

Building kernel for RPi2 with bluetooth_6lowpan In this guide, you will have two choices: Cross-compilation build Native build Choose the one that fits your needs. Cross-compilation is…
- 9 Apr 2015

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