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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
1433 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
6648 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
520 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
1112 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
2423 views

0 replies

Started over 9 years ago
by cenuser

Recent in Nordic blog

BBC micro:bit rolling out now!

John Leonard

Now delivering into kids hands in UK BBC micro:bit has, as I write this, been delivered into the hands of 450 000 UK schoolchildren with a further 500 000+ to be handed out over the next couple of weeks…
- 16 Apr 2016
nRF51822 now available as ultra- thin CSP variant

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The award winning nRF51822 is now available as an ultra-thin Chip Scale Package) CSP variant. Measuring just 3.38mm x 3.38mm and with a height profile (including ball grid array) of just 0.35mm it is tiny…
- 15 Apr 2016
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eric ely

Bluetooth LE is not a fast wireless protocol, transfer speeds are usually measured in single-digit to low tens of kilobytes per second. This is generally not an issue unless large amounts of data need…
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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