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nRFgo studio can not select nRF5x programming 0

Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming. Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....

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0 replies

Started over 8 years ago
by fche078
Not Answered
mqtt subscripe multiple topics 0

Hi guys, In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t". I'm trying to set several topics (5) and subscribe to them. ...
- iot mqtt nrf52
1104 views

0 replies

Started over 8 years ago
by TY
Not Answered

iot SDK coap random timeouts 0

Hi, I am using nrf5832 that is running a coap server example. I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback. ...

506 views

0 replies

Started over 8 years ago
by nav87
Not Answered
Commercial cheap smartwatch with BLE, Heart Rate and Accelerometer 0

Hi, I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
- martwatch
1444 views

0 replies

Started over 8 years ago
by mattewre
Not Answered
Assembly and C mixed programming issues 0

Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
- keil
- nrf51822
756 views

0 replies

Started over 8 years ago
by lohc

Recent in Nordic blog

Recover the nRF51 when nrjprog and nRFGo Studio couldn't

Hung Bui

You may have a nRF51 chip that is "bricked" and both nRFGo Studio and nrfjprog recover option doesn't work. You can try to use J-link Commander to recover. In some case, J-link Commander showed that it…
- 21 Jul 2014
nRF51 SDK v6.0.0 bug report and temporary workarounds

Hung Bui

I created this blog post to document the bugs reported on nRF51 SDK v6.0.0 The workaround for each bug would also be provided here as a temporary solution before the bug is fixed in the future release…
- 16 Jul 2014
S130 Multi-link SoftDevice released. Tell us what you think.

John Leonard

Our most advanced Bluetooth Smart SoftDevice to date is now - S130. We're excited in a big way about this one covering as it does so many different options in one protocol stack. Again, we always value…
- 10 Jul 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