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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
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0 replies

Started over 9 years ago
by user13195
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. ...

267 views

0 replies

Started over 9 years ago
by user17525
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
1141 views

0 replies

Started over 9 years ago
by user19738
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
509 views

0 replies

Started over 9 years ago
by user19612
Not Answered

Looking for NRF module with accelerometer 0

Hi, I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...

504 views

0 replies

Started over 9 years ago
by user19596

Recent in Nordic blog

Workaround needed for TWI driver (nrf_drv_twi) in SDK v8.1 (TWI_COUNT missing)

Hung Bui

In SDK v8.1 we added the TWI driver (nrf_drv_twi.c). Unfortunately the nrf_drv_config.h file wasn't updated correctly with the new driver. The symptom is the error with "TWI_COUNT is missing". Here…
- 20 May 2015
Common FAQs on DFU

Hung Bui

If you are looking for a place to get started with DFU, please have a look at this presentation here and the tutorial here. In this post, we cover some in depth Q&A topics regarding Device Firmware…
- 15 May 2015
Programming the nRF51822 Beacon Kit with the nRF51DK

user2110

One way to program the nRF51822 Bluetooth Smart Beacon Kit is to use the nRF51 DK. This gives you a full scale development platform (the nRF51 DK). This blog will go thru the steps needed to program…
- 7 May 2015

Latest guides

Software and Protocols: Field verification of the GNSS

user87864

Introduction Intention of this guide is to clarify and describe main aspects relevant for nRF9160 GNSS receiver functionality, build configurations, tool recommendations and how to get started with the…
- 10 Jun 2022
Software: Using nRF Connect SDK and west to compile and program the DTM example into the nRF52840 DK

user2133

Background There is a need to enable Nordic hardware with the Direct Test Mode (DTM) firmware. This is so the physical layer and RF characteristics may be ascertained as set in the Bluetooth Sig Specification…
- 14 Apr 2022
Software Development Kit: nRF5 SDK v17.1.0 Secure DFU Hands-on Tutorial for the nRF52810

user27011

Requirements This document uses: Segger Embedded Studio (SES) nRF5 SDK v17.1.0 an nRF52 DK to emulate the nRF52810 a BLE-enabled mobile device You may want to review the blog here for a more comprehensive…
- 8 Apr 2022
Software Development Kit: nRF5 SDK v17.1.0 Secure DFU Hands-on Tutorial

user27011

Requirements This hands-on tutorial uses: Segger Embedded Studio (SES) nRF5 SDK v17.1.0 an nRF52840 DK a BLE-enabled mobile device You can use an nRF52 DK or nRF52833 DK instead of the nRF52840 DK,…
- 8 Apr 2022
Software: Building a Bluetooth application on nRF Connect SDK - Part 3 Optimizing the connection

Hung Bui

This is part 3 of the series Building a Bluetooth application on nRF Connect SDK You can find other parts here: Part 1 - Peripheral Role. Part 2 - Central Role. In Part 1 we covered the generic architecture…
- 21 Feb 2022
Peripherals And RF Test: Using Bluetooth Shell

user17370

Purpose The purpose of this guide is to demonstrate the use of Bluetooth Shell. Bluetooth Shell (BT Shell) is a command-line shell application that runs over the UART. It allows one to manually type in…
- 21 Jan 2022