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Not Answered

PAN item 56 TWI module lock-up problem and Rev 3 version of the chip 0

Hi, Will PAN item #56 TWI: TWI module lock-up be fixed in the Rev 3 version of the nRF51822/51422? Also would you happen to have a time frame as to when the Rev 3 will...

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0 replies

Started over 10 years ago
by ray
Not Answered

Why does re-connection occur 2 times？ 0

Close Bluetooth in Iphone's settings when IOS/51822 is paired and connected normally. several seconds later, Open Bluetooth in the settings again, and observe the settings...

637 views

0 replies

Started over 10 years ago
by ziv
Not Answered

NRF_WDT: Not able to write to registers 0

Hi, I am trying to power off and/or disable a RR[0] with no success. I am Powering OFF the watchdog in main and then successfully POWERing ON in wdt_init but then I...

1207 views

0 replies

Started over 10 years ago
by Fab
Not Answered

Limit number of packets per connection event? 0

Is it possible when using the S110 softdevice to limit the maximum number of packets per connection event? I would like to reduce the maximum amount of time the CPU spends...

1087 views

0 replies

Started over 10 years ago
by Paolo D
Not Answered

ANTUSB-m Dongle not working with Windows 7 0

I am using nRF51422 Evaluation Kit with the latest silicon revision which comes with programmable softdevice. The kit also contains an ANT USB-m dongle. I have followed the...

699 views

0 replies

Started over 10 years ago
by Vamsi Talla

Recent in Nordic blog

nRF51 Qt GCC Example

Jacob Portukalian

Hi Everyone! At Sky Wave Design, we recently switched all of our Nordic development over to using GCC and using Qt Creator as the IDE. We have released our example project on github for those of you…
- 31 Jul 2015
ROM and RAM Management

Øyvind Karlsen

Introduction Here are some tips and tricks to manage your application size. RAM and ROM usage The total RAM usage is: ZI-data + RW-data The total flash usage is: Code + RO-data + RW-data …
- 28 Jul 2015
Controlling an RGB LED with Nordic nRF51-DK

Mahesh Venkitachalam

Using PWM and Nordic UART Service on nRF51-DK (nRF51822/nRF52422) to control an RGB LED over BLE. http://electronut.in/nrf51-rgb-led-test/
- 25 Jul 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