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...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
I know this may be a duplicate of this: https://devzone.nordicsemi.com/f/nordic-q-a/37732/nrf52840-spi-clock-line-contention-causing-spi-driver-to-hang/145521#145521
I say...
Hi,
My working environment:
NCS folder Tag:v1.2.0
J-Link version : v6.62a
SES version:4.42a
test sample code:\NCS\nrf\samples\nrf9160\cloud_client
nrf connect...
I generated two packages for OTA. The first package contains a bootloader and a softdevice 7.3.0. The second one contains a bootloader and a softdevice 8.0.0. I flash the...
Hello,
I want to interface nRF9160dk with ICM20648 sensor using SPI communication protocol. I tested SPI on nRF91 and it is working fine. But how to use ICM20648 with nRF91...
[Embedded World 2020] Failed update of the Thingy 91 Certificate after downloading from the nrf cloud
I Just tried to update the certificate from the NRF Cloud ( https...
https://github.com/NordicPlayground/nrf5-calendar-example
What is lowest power mode where real time clock could run?
How could retain RTC value during reset?
Thanks
I have been using nRF9160 DK for a while, with program running and all, however today I failed to connect to it using SEGGER Embedded Studio with the following error.
...
Light switch, client, server and app nRF Mesh works. I replaced client with ble_app_uart_coexist, but I already donť see it in your nRF Mesh app on my phone. I would like...
Hi, I am following this tutorial to enable logging in my Debug Terminal.
https://youtu.be/uP8RYgYGRvI?t=179
At 3:00, I am told to enable both RTT and nRF Logging.
However...
Hi,
I want to test the power managment on the nRF52840. I plan to make a simple test application that enter in sleep/systemoff mode every, let's say, 1 minute. After wake...
Hi ,
I'm trying to write data using FDS library where ,i use fds_record_write on the first occassion and fds_record_update on all others.
Now i have debugged the issue...
I'm attempting t to turn on and off GPS function while LTE is on, but it doesn't work out. I merged mqtt_simple and gps example programs into a new project. What's wrong with...
Hi ,
I need to preserve a clock counter without any drift or delay even the system having Soft reset,
I am using the Device BLE NUS bare metal example and running also...
Hello. I am developing a system where two radios are used - UWB and BLE. The first one is used almost all the time for communication and the BLE is used for beaconing let...