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...
Good Afternoon,
I am using NRF51822-QFAA as ble remote in central mode. It connects to ESP32 and send the command for changing it's mode. I am using the RF module YJ-14001...
hi
my board nrf5340 do not run any ble example . it creates build and everything is good in softwre while running. but when i try to receive any signal from board of blutooth...
Hello,
I am new with nordic boards. I am using an nrf5340-(P)DK.
I bulit and downloaded the perhipher-lbs sample successfully to the board.
However, when trying to discover...
Hello All,
I am developing thread base system.
I am using SDK - nRF5_SDK_for_Thread_and_Zigbee_v4.1.0_32ce5f8
Dev-kit - nrf52840
I am using mtd code for development...
Hi,
My project is combined 'Multi-link Central Example' and 'ble_app_uart', so that it is a central that can be connected to multiple peripherals and a peripheral that can...
Hi, do you plan to upgrade FreeRTOS? In nRF5 SDK v16.0.0, there is FreeRTOS v10.0.0 - at the time of writing, FreeRTOS v10.2.1 is available and it comes with a few fixes....
Hi everyone
I am in the process of designing and developing a product. And I think there may be someone having some issues with connecting their displays to the NRF5340...
Hi,
I am trying to implement FOTA in my application. I can implement non secure bootloader and run successful
in prj.conf
in main.c
And Now I am need to add...
My team is developing an IoT application that transmits sensor data from the nRF9160 over the LTE-M network to a database. A few questions:
1. Is it possible to use the...
Hello to all,
I'm working on a project based on sending data collected from a sensor network to a Zigbee Coordinator: the sensors are End Devices and must be tied to a Coordinator...
hi professor,
According to peripheral project of nrf connect sdk 1.4.99, I add some function to achieve spi and usb and filesystem.But the ble run abnormal.When run bt_enable...
Hi,
When nrf_twi_mngr_schedule returns error as NRF_ERROR_NO_MEM what are best practices to handle that error. Do I re-schedule another transaction or is there a more robust...
In Our project we build a mesh network(about 100 mesh node),before it work fine,but now we found can not access all mesh node through GATT link using mesh provision app. So...
Hello,
I'm using a nrf5340dk as a mesh network provisioner and i control it by uart, i'm having problems on provisioning more than 12 devices because every time i reach...