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nRF52840 Power profiling AES CBC 256 encryption - mbed TLS 0

Hello! I'm taking some performance metrics for encrypting data on my nRF52840 device and I was wondering if you might be able to help me. The goal is to see how long and...
- development
- software
- nrf52840
- s140
3 views

0 replies

Started 11 minutes ago
by LLTMBeahan
Not Answered
Antenna connection 0

Hi, why antenna trace is connected to mounting pad instead of feeding pad of antenna in thingy 91x We are designing our device based on this. We wish to be sure about...
9 views

0 replies

Started 1 hour ago
by Vivek
Not Answered
Error -105: Command connect_to_emu_with_snr executed for 89 milliseconds with result -105 ERROR: Unable to connect to a debugger 0

I've been trying to flash an nRF52840-DK with code that successfully builds on Segger. The Segger error is "Failed to connect to target." I updated the devkit firmware with...
10 views

0 replies

Started 1 hour ago
by royp
Not Answered
Configuring external flash and internal flash for MCU Boot, Little FS, and for settings with a custom board 0

I am trying to set up a w25q128 using SPI with a nrf5340 on a custom board and had a few questions. I have used DevAcademy as a reference as I do eventually want to set up...
- development
- software
- zephyr
- nRF5340
19 views

0 replies

Started 4 hours ago
by lcj
Not Answered
Device does not wake up on charge detect interrupt 0

I have a custom board with nRF52840. It draws power over USB and the data lines are connected as well USB is defined as follows in the dts cdc_acm_uart0: cdc_acm_uart0...
- development
- nrf52840
12 views

0 replies

Started 4 hours ago
by AndyM

Recent in Nordic blog

Measuring Lithium battery voltage with nRF52

Ole Bauck

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider on nRF52. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and we (Nordic) recommend…
- 23 May 2016
Hexapod using nRF52 DK - Part 1: Intro and hardware

Ole Bauck

This series of posts will describe a new toy here at Nordic: The nRF Hexapod. The post will be divided in multiple parts, this part describing the project in general and the hardware that is required…
- 19 May 2016
Enjoy a simple Android game using BLE

Brian Kim

Sometimes we look for what will be the best demo for BLE operation between mobile device and peer device. Recently Blinky is one of perfect application, but I suggest one more interesting example between…
- 13 May 2016
nRF Connect v1.0 Release Candidate

Hung Bui

Note: This post is outdated. Please go to the product page for nRF Connect for Desktop for updated information and downloads. nRF Connect is the new official name of the Bluetooth Smart tool previously…
- 9 May 2016
How to test nRF52 NFC tag with reader (Adafruit Tag Reader)

Brian Kim

Since NFC is one of new feature on nRF52, some customers often ask how to verify NFC tag they are implementing. The purpose of this blog is to provide how to setup and how the implementation based on SDK…
- 9 May 2016
A modern approach to Bluetooth LE and the Internet of Things

eric ely

Bluetooth LE is ideal for Internet of Things applications where many low powered sensors or devices feed data through a gateway and out onto the internet. An optimal solution would move away from the use…
- 6 May 2016