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how to connect nrf52840 into mesh of 50 device 0

how to create the nrf52840 mesh of more than 50 devices ? I am using the chat sample for this mesh network but i am tested with the 12 boards but i am getting reply from...
17 views

0 replies

Started 1 day ago
by sibi
Not Answered
zephyr/samples/net/cloud/aws_iot_mqtt fails to connect to aws 0

I have nordic board nrf5340-dk + nrf7002-ek I want to run on it the application zephyr/samples/net/cloud/aws_iot_mqtt I built the project and I flashed on my device I can...
- software
- Evaluation
- Wi-Fi
- zephyr
- nRF5340
30 views

0 replies

Started 1 day ago
by MOHAMED Kallel
Not Answered
nRF5340 PDM CLK waveform 0

Hi We use nRF5340, set GPIOs as PDM for DMIC device, and measure waveform as below The PDM DATA high level will decrease periodically Is this waveform normal? If yes...
20 views

0 replies

Started 1 day ago
by Poki Huang
Not Answered
BLE Mesh replay protection triggered during burst vendor message transmission via GATT Proxy 0

Hello, I am developing a Bluetooth Mesh application using Nordic hardware and am running into reliability issues when transmitting bursts of vendor messages. System overview...
- development
- java
- software
- beginner
- Failure Analysis
- debugging
- android
- mesh
- configuration
- C
- nrf52840
30 views

0 replies

Started 2 days ago
by mromano
Not Answered
Integration of legacy application to NCS bare metal system 0

Hi, I have the following situation: I have a legacy C application that runs on the good old nRF5 SDK on NRF52840 with FreeRTOS. (No BLE on the application, but the bootloader...
22 views

0 replies

Started 2 days ago
by rbence

Recent in the DevZone Blog

Beacon Kit - Mistake in Ref_Design_UG_v1.0

Salman

I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014
Sniffer application for OS X

RK

I've put up on Sourceforge, a Mac OSX application which interfaces with the Nordic BTLE sniffer software and has some of the functionality of the Windows application Nordic ships with that software package…
- 1 Oct 2014
Getting started with nRF51 development on Mac OS X

Eirik Midttun

Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014