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UART on Fanstel BLG840XE 0

I am trying to set up UART communication between the nRF9160 and nRF52840 that are found in the Fanstel BLG840XE. Currently I am sending a test string of "abcd" from the nRF52840...
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0 replies

Started 11 hours ago
by Ana_
Not Answered
Cannot find the correct handle to subscribe to in a HOGP object 0

Hello! This is the third time I'm asking something about the same project, but I'm running into problems one after the other. The current problem is this - the hogp object...
- development
- software
- C
- bluetooth le
- nrf52840
22 views

0 replies

Started 12 hours ago
by Orlin
Not Answered
How can the file system (LittleFS) be protected from concurrent accesses? 0

Hello, I know this question is more related to Zephyr than Nordic, but I wanted to try asking here. I’m using the SMP service to send files to my device on a LittleFS...
22 views

0 replies

Started 13 hours ago
by Aurele
Not Answered
nrf52840 lowest possible power consumption 0

Finally we got our prototype boards and proof of concept firmware code done and we are a bit stuck on the average power consumption over time for the entire sensor that is...
26 views

0 replies

Started 14 hours ago
by RockS
Not Answered
nRF9151 Cellular roaming support 0

Hi, We're currently evaluating the cellular capabilities of the nRF91 modem using the nRF9151 DK. We've encountered issues with roaming: when the devkit is taken to another...
46 views

0 replies

Started 15 hours ago
by Filip Tefr

Recent in Nordic blog

Writing BLE firmware with a few lines of code part 2

Nguyen Hoan Hoang

Second part of the series Writing Bluetooth LE firmware the easy way blog. This second part shows how to read and advertise the environment sensor data (BME280 using Motsai Neblina module and BME680 using…
- 3 Jan 2018
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