To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hello,
We are currently evaluating the nRF52840 with Thread technology with the Raspberry Pi as the border router to the internet. I wanted to know if there is any mobile...
I am working on zigbee network.
ZB_DEFAULT_PERMIT_JOINING_DURATION = 0xFF, this macro is defined in "zb_config_common.h" which indicates that network joining window won...
Hi there,
I am wondering what is the clock frequency for the application core by default. 64Mhz or 128 Mhz? and is it possible to fix it for example at 64Mz?
Thanks!
Hello,
I saw that there are already subjects but I can't find the information I'm looking for, I would like to put an external antenna at the Thingy because the connection...
I'm creating a simple program for the nRF52840 dongle that is running a RSSI scanner. Scanning on different BLE channels in the environment. Much like the nRF connects "RSSI...
Hi, Friend,
I have a light sensor connected to P0.04/AIN2 on 52820, and use COMP to detect the change of voltage.
Here is my test code. When light change, the return value...
There have been previous tickets about bsd_init() not working with trace_on=false, but the support team said it had been fixed in 0.7.x. However, it's still failing for me...
Hello sir/ma'am,
I am facing this problem while interfacing with nrf52840 dongle dht11 sensor
Which custom id should I write here in screenshot2 and how to debug the DFU...
The nRF9160 DK has an I/O expander that can optionally be used to interface the LEDs, slide switches, and buttons.
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk...
I want to send sensor data over nrF Mesh using sensor example from Mesh SDK. However, I found that the values over 256 in decimal are not received by the client. What changes...
Hi,
My bootloader and application work good, I take example from SDK 12. The DFU work correctly but at the end my DK stay in bootloader mode and don't reset to start the...
Goodmorning,
I'm working on a project running on nrf840. I would like to add a speech recognition system able to recognize some words ( more or less 10 words).
There...
Hi,
I'm trying to get the current epoch Unix timestamp (or the number of seconds since 01, January, 1970).
I'm using the date_time.h library as Carl Richard suggested...
Hi,
I wish to combine nRF Connect IPSP sample project for nRF52 DK (v1.4.2\zephyr\samples\bluetooth\ipsp) and add MQTT on top of 6lowpan. If yes, any guidance to change...
