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! I am an engineering student at KTH studying embedded electronics and I will be doing my thesis work for a company in about 6 months where I am supposed to be analyzing...
Hi everybody,
I'm just getting into Zigbee and try to follow the example at https://docs.nordicsemi.com/bundle/ncs-2.5.1/page/nrf/protocols/zigbee/adding_clusters.html to...
Good day
I have a custom board using an nrf9160 device. On the board I am running a variation of a lwm2m client. I have a question regarding a network connection. Why is...
Hello,
could someone point me where I can find the most current / state of the art example for the BLE UART app for the nRF25840 Dongle?
The version in the nRF5_SDK...
Hi,
I am working on a project which has external flash (FM25V01A ) connected to nrf52832 board over SPI. And when building the project, I am getting the following error...
Hello,
we run an application on a custom board with nRF52840 powered by an external power supply and buffered by a supercap. The supercap then provides the energy for the...
Hi,
I have 2 nrf52840-preview dk board. All of a sudden both the devices are not working any more.
I have referred to some suggestions and tried all the below cases and...
Hi!
Absolute beginner here. I'm trying to use npm1300 (using the evaluation kit for now) with an RP2040 microcontroller (also using RPi Pico dev board). I am powering RP2040...
Currently, I'm using nRF5340 Audio on a homemade board, and I've managed to get the sound input from the gateway as a LINE input and the sound coming out of the headset, but...
Hello ,
I am trying to program external custom board through another nrf52dk via SWD interface to check if external programming method works. The connections between two...
We are using BLE and QSPI at the same time and want to have maximum RF range. Sensor data is collected, encoded, and written into flash via QSPI. This goes on for a few minutes...
I have a question: Is it possible to use BLE Long Range mode (Coded PHY) in the NRF52840 with mobile phones? If not, is there a solution to use it in parallel with normal...
I am using NRF52840's NFC with apple wallet but it requires certification from Apple to be used as tag reader. How can I get it certified so that I can read data from apple...
Hello,
I need to be able to send/receive binary data over this BLE UART Service (bt_nus) on macOS. I'm using the peripheral_uart sample project with no success. It seems...
https://github.com/zephyrproject-rtos/zephyr/blob/main/samples/drivers/spi_flash/src/main.c#L36 may I know where I can find the pin connections used in this example
"const...
