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...
Hi,
I'm Trying to add uart with DMA functionality to the asset tracker sample code.
but when running :
I get:
this is my nrf9160_pca10090ns.overlay :
these...
Hi Roshan
I want to use ViewModels in RecyclerView like I have to perform light on/ off (sendGenericOnOff(final boolean state, final Integer delay) android app)r each node...
Hi all,
I am running thethings.io examble of Thread SDK 3.1
I setup border router (Raspi 3B + NCP + ethernet) , Node (NRF52840DK)
In Node, I can ping to thethings.io...
Hello,
I'm currently a student and new to RTOS and modems in general, so please excuse my possibly very basic questions.
We have a running demo with an ESP32, where...
Hello everyone,
We are using the nrf52840 Dev Kit (PCA10056 1.1.0 2019.19 683465548)
SDK version: 15.3
OS: Fedora
We have our program working fine (RTT Logs OK...
I followed the install instructions from nRF Connect SDK documentation ( https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/gs_ins_linux.html ), to build and...
I have nRF52832 board. I had interfaced nRF52832 board with STEVAL-IDP005V1 for FFT analysis. I am getting all the data and messages in STEVAL-IDP005V1 - UART (in PC). When...
Hi Team,
I working on the python script were i am trying to connect multiple nrf52 devices. nrf connect app for windows is connecting to multiple devices which is fine...
Hi,
We are designing a system using nrf52840, in which we intend to keep the wall clock time with battery support.
Reading about the internal RTC module, it gives an impression...
Hello,
I would like to use DMA on UART1 on the nRF9160. Can you provide an example for setting up the UART with DMA for Zephyr? I can't find any documentation or direction...
Hi,
I am developing firmware for both nRF52832 and nRF52840 chips. For serial communication, I would like to have a common interface for both chips, which means sending...
Hi!
We are developing a beacon for a hursh environment based on NRF52832 chip and now close to production. Recently we've noticed that unit power consumption for some reason...
I want to use extended advertising features , I search ble_peripheral only one example is ble_app_rscs
I compiler and program, i can't find the device in my phone app
...
i download App(iOSDFULibrary) from https://github.com/NordicSemiconductor/IOS-Pods-DFU-Library .
And delete all firmware itself have. Put my firmware into folder (Firmwares...