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J-link nrf52840 DK connection problem 0

Hi, I bought a new nrf52840 DK board as one ofthe original nrf board of my Qorvo QM33120WDK1 kit ( 2 x nrf52840 DK + QM33120W + QM33110W) J3 connector broke. Out of the...
9 views

0 replies

Started 9 minutes ago
by David Felix
Not Answered
SPI speed and consistency issues using nRF52840 with ADS131M04EVM 0

Howdy! I am attempting to develop a system using an nRF52840 and an ADS131M04EVM (ADC). Our application requires us to collect data at a high sampling rate (>= 16k SPS...
- Evaluation
- spi
- zephyr
- nrf52840
- hardware
14 views

0 replies

Started 58 minutes ago
by BenD
Not Answered
SLM Customization 0

I have a nrf9160 DK but when upload SLM application to it i can not send AT commands to it over it's usb port but in asset tracker application it works i want to modify SLM...
10 views

0 replies

Started 1 hour ago
by Hamas Saeed
Not Answered
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...
22 views

0 replies

Started 1 hour 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
18 views

0 replies

Started 2 hours ago
by Orlin

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