Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

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
1064 views

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. ...

478 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
1418 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
722 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...

667 views

0 replies

Started over 7 years ago
by 6thsense

Recent in Nordic blog

Readiing humidity from HTU21D sensor using TWI

Fredrik Sundt Brynhildsvoll

##Measuring humidity using TWI on nrf52## In this post I will explain how the nRF5x chip can be used to communicate with a sensor over TWI (I2C). To run this example extract the files to examples -…
- 24 Feb 2016
Production release of S130 & S132 v2.0 SoftDevices for the nRF51 and nRF52

Pär H

Since Nordic Semiconductor released the S130 SoftDevice for our nRF51 ICs in early 2015, we have been working hard to make our Bluetooth low energy protocol stacks more feature rich and more configurable…
- 22 Feb 2016
Keil + nrfjprog = true

Øyvind Karlsen

In this blogpost we will demonstrate the usage of Keils integrated command line functionality. We will start nrfjprog through Keil bindings in order to erase our chip and program SoftDevices. nrfjprog…
- 22 Feb 2016

Latest guides

Peripherals And RF Test: Writing device drivers for UART peripherals

Halvor Bjorstad

This post aims to cover some of the specifics of developing device drivers for UART peripherals for Zephyr.
- 20 Jul 2021
Software: Testing concurrent multi-protocol support of Zigbee & BLE over single USB connection to external CPU

Mark Q

Purpose The purpose of this blog is to showcase how a single USB bus can be used as the physical transport for multiple protocols when an external CPU is the controller. Specifications as tested Boards…
- 13 Jul 2021
Peripherals And RF Test: Working around missing shield labels (on the nRF9160 DK)

Embla Flatlandsmo

Table of Contents Objectives What are device tree overlays, and how do they relate to shields? Why are Arduino nodes not recognized in the nRF9160 DK? The workaround: Using the shield as a board ove…
- 25 Jun 2021
Peripherals And RF Test: LVGL on a TFT LCD Display with the nRF9160 DK

Embla Flatlandsmo

Table of Contents Hardware Components Wiring Software Prerequisites Steps Incorporating this into other projects Further reading Attached files This blog post demonstrates how to get a LVGL sample…
- 25 Jun 2021
Software: Using the NCS / West to program the Radio_Test example into the nRF5340-DK for agency testing.

Jay Tyzzer

Background: There is a need to be able to put a Nordic Semiconductors S0C /transceivers into modes where the physical layer and RF characteristics may be ascertained. The radio test example is used to…
- 18 Jun 2021
Software: Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice - Part 2 Central role

Hung Bui

This is part 2 of the series Building a Bluetooth application on nRF Connect SDK - Contrasting to SoftDevice based Bluetooth applications You can find the other parts here: Part 1 - Peripheral Role. Part…
- 5 May 2021