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...
Hello, guys!
I'm currently just starting to work on the nrf9160dk board. I want to try to explore the communication of nrf9160 with external acceleration sensor. First,...
Hi Team,
Is there any blog/tutorial on how to add custom profile (service/characteristics) with ncsv.1.8.0 and nrf52832/33?
I could find a couple of blogs but they were...
Hello everyone, I'm testing the example ble peripheral "UART/Serial Port Emulation over BLE" with SoftDevice S112 nRF5 SDK v17.1.0 . My board is MBN52832DK and i'm using the...
Hi,
in my project I use the nRF52840 microcontroller as the master I2C device.
Sometimes the TWI peripheral SDA line is forced to a low value by the slave device. This...
Hi, I'm developing an application using fds. I merged fds into ble_app_uart and built complete But when program run fds_init() nRF was crashed I called fds_registered before...
I am using NCS 1.7.0 and latest nRF5340 DK
I am trying to update netcore firmware using the process defined here: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1...
Hi everyone!
I have a question regarding the audio support on the nRF52833 chip. Is there any support for sending audio ( Low quality compressed audio ) to headset? Or...
Hi everybody.
For a personal project, I need to integrate a flash or a microSD card to store data.
As computation core I want to use nRF52811, but I'm not able to find...
Hi,
I've lost hours to this so grateful for your support!
I have a custom board using Raytac MDBT42Q, which has a 32MHz clock in the module and I'm not using an external...
To whom it ma concern,
we observed Unkwon Resets after Long runtime ; Several Hours.
We use the NRF52840.
After the reset bit 1 in RESETREAS is detected .
BUT investigation...
My project is based on 'ble_app_uart' and I added dfu service..
so there's two custom 128bit uuid in my project..
But before this, I only want to test dfu service mode...
Hi,
We have made an app that gathers GPS coordinates using an external antenna with the thingy91. The problem we have is that we struggle to test the code when we don't...
Hello,
I am using the nRF52840 dongle with the nrf sniffer 4.1 firmware running on it, using Wireshark to read out its results.
This works fine for advertisement packets...
Hi!
In my application, I am receiving A-GPS data from nRF Cloud. After the data is received there is a considerable amount of time where the GNSS module is blocked because...