Nordic DevZone

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

Not Answered
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...
9 views

0 replies

Started 3 hours 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
15 views

0 replies

Started 4 hours 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...
11 views

0 replies

Started 6 hours 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
26 views

0 replies

Started 15 hours ago
by mromano
Not Answered
USB camera in nrf5340 0

Hi Nordic Team, I would like to use a USB camera in my project with the nRF5340. Is this possible? If so, could you please share any reference documentation or example links...
20 views

0 replies

Started 17 hours ago
by Mohammed Hashir P

Recent in the DevZone Blog

Intro to ShockBurst/Enhanced ShockBurst

Daniel Veilleux

The first generation of wireless PC accessories to achieve widespread success (the ones that shipped with a dongle in the box) adopted 2.4GHz radios because these radios offered the optimal trade-off between…
- 1 Jan 2018
Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017