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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 7 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. ...

467 views

0 replies

Started over 7 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
1402 views

0 replies

Started over 7 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
709 views

0 replies

Started over 7 years ago
by lohc
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...

659 views

0 replies

Started over 7 years ago
by 6thsense

Recent in Nordic blog

Rust bindings to nrf52 series

Coleman McFarland

In mid-2017, I came across this project by James Munns. It essentially wraps the C SDK for nRF52 development boards, and provides bindings that can be called from Rust. James gave a talk to the Rust DC…
- 12 Jan 2018
Show And Tell: Poly - Building an RC Airplane The Hard Way

Daniel Veilleux

I've been looking for an excuse to write a low-latency, Enhanced ShockBurst (ESB), radio protocol that I can reuse when building remote control toys. Although Bluetooth is great for a lot of use cases…
- 5 Jan 2018
Bluetooth on a desktop computer (Windows, Mac, Linux)

kbaud

Posting this here in an effort to save the time of anyone else who is wanting to control a device from a desktop computer. Our application is a motor control device that is wirelessly controlled from…
- 4 Jan 2018

Latest guides

Software: nRF Desktop on a Development Kit

Priyanka

This tutorial is aimed at implementing the nRF Desktop application on the nRF52840 Development Kit (DK) using the nRF Connect SDK, thereby allowing it to work either as a gaming mouse, keyboard, or dongle…
- 16 Dec 2021
Software: Add DFU support to your application

Simon

This guide is for an older version of the nRF Connect SDK. For a newer guide on Bootloaders and DFU, we recommend https://academy.nordicsemi.com/courses/nrf-connect-sdk…
- 29 Nov 2021
Software: Common fixes for nRF Connect SDK build problems

Sigurd Hellesvik

Does your build fail today, even though it worked fine yesterday? Are you able to build your project on another computer, but not the one you need to use now? Here are eight things you can try to fix these…
- 22 Sep 2021
Peripherals And RF Test: TWI/I2C implementation with nRFx TWIS Driver

Jeff4BLE

Objectives Learn to add and configure an I2C/TWI Master Zephyr driver to an NRF Connect SDK project. Learn to add and configure an I2C/TWI Slave nRFX driver to an NRF Connect SDK project. Demonstrate…
- 4 Aug 2021
Peripherals And RF Test: Using the nRF Connect SDK / West to program the Radio_Test example into the nRF5340 DK for agency testing.

Jay Tyzzer

Using the nRF Connect SDK / West to Program the Radio_Test example into the nRF5340 DK Background: There is a need to be able to put a Nordic Semiconductors System-on-Chip / transceiver into modes where…
- 3 Aug 2021
Software: Updating to the MPSL Timeslot interface

Daniel Veilleux

The "Concurrent Multiprotocol Timeslot API" was introduced with v7.0 of the S110 SoftDevice in 2014. The original purpose was to allow customers to build their own proprietary networks using…
- 2 Aug 2021