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Secure DFU/OTA as good as possible to prevent copying my firmware 0

Hi Nordic, I would like to re/program my device using a OTA BLE Bootloader but i don't want others to copy my firmware or at least make it very hard. As far as i know there...

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0 replies

Started over 10 years ago
by Marius R.
Not Answered
ancs bonding problems 0

After modifying the ancs example to remove the data and control points, the event_connect() subfunction in ble_ancs_c.c gets called immediatly upon a connection to a master...
- bond ancs
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0 replies

Started over 10 years ago
by makesimply
Not Answered
At first pairing, all pins are working. However, after power on/off and then re-connect the device, only the keyboard key is working. This situation is not always happen. 0

Using nRF51822, I define keys and pins as follows: Keyboard key Mouse left/right key Mouse move (up/down/left/right) Media play/pause key Pin 0 Mouse...
- keyboard
- mouse
- keil
- nrf51822
- media
807 views

0 replies

Started over 10 years ago
by bruce
Not Answered
nrf UART device keeps getting disconnected 0

The bluetooth device keeps getting disconnected from the app, even when its not 'idle'. I am using the android app mentioned here . I need help getting started to solve...
- ble nrf_uart android
949 views

0 replies

Started over 10 years ago
by Vinay
Not Answered

Strange app_button behaviour in SDK v6.0 0

Moving from SDK version 5.1 to 6.0, the buttons on my PCA20006 beacons no longer works as expected. When I press a button, it seems to register the release of a button incorrectly...

573 views

0 replies

Started over 10 years ago
by Justin

Recent in Nordic 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