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...
Ive added another endpoint to the OTA zigbee client example, when I run
ZB_ZCL_SET_ATTRIBUTE (ep, ZB_ZCL_CLUSTER_ID_ON_OFF, ZB_ZCL_CLUSTER_SERVER_ROLE, ZB_ZCL_ATTR_ON_OFF_ON_OFF_ID...
I'm using the nRF52 DK and attempting to use I2S to send data to a DAC. I'm using the nRF5 SDK, version 17.0.2. The last sample in the data I'm sending is always replaced...
Hi,
I have a question regarding diffie-hellman.
What exactly are we doing with diffie-hellman key? Do we use it to create another key? Or is it the key itself?
Thanks...
Hello,
I am new to development with Nordic board. I have evaluation board from u-blox which is EVK NINA-B406 and I have installed Segger Embedded Studio IDE for development...
Hello,
I have been trying for days to program my nrf51422 project without much success. I am using a Jlink programmer. I have connected VTREF, GND, SWCLK and SWDIO from...
Hi,
I know that this question has been asked before but I was wondering if someone can help me understand if the problem is from the connections on my board or my chip...
I am developing a fairly complex app which involved having a lot of logging using the NRF_LOG macros with the UART backend. I am using the nRF52 DK as my platform with nRF...
My app is based on ble_app_hrs_rscs_relay, i.e. the nRF52 DK is acting as central and peripheral at the same time.
SDK 17.0.2, SD S132 v7.
I have a service running there...
Hello, Can your tell me is it possible make three from one device at the same time ? If is not, can I make multiple connection with profiles which support multiple connection...
My goal is to synchronize the clocks of several nodes in a mesh network. I would like the client node to distribute the current time to all the server nodes in the network...
I am trying to run nRF9160: Azure IoT Hub — nRF Connect SDK 1.6.99 documentation (nordicsemi.com) on thingy91. I have followed Azure IoT Hub — nRF Connect SDK 1.6.99 documentation...
Hi,
I am looking at the product brief for nRF21540 and found "nRF21540 Development Kit" and "nRF21540 Evaluation Kit".
Where can I get the H/W information for them,...
Hi,
We want to implement a smart energy meter by using a mesh network including 200 nodes (nrf52840). What is your suggested protocol to do this?
Thank you in advance...
Hi! We're working on a BLE product which is intended for use in the US. This product uses an nRF52833 SOC, with some external components on a PCB we've designed with a printed...
I'm trying to evaluate a Nordic BLE module for a new battery powered project while waiting to establish a connection to a base station device. It seems like your lowest powered...