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...
Hey guys,
I have a timer like this:
While this first timer (nrf_drv_timer) is running, I need a second timer whose interval I have to be able to change constantly. ...
Hi
when I try to use printf in the secure wold my nRF9160 resets. I assume that something needs to be configured differently but I don't know what.
The skeleton of my...
I am working with the light switch example and am having some issues surrounding node configuration, namely getting the composition data.
Setup: 1 client/provisioner (both...
I got the dev board all set up and working - managed to program a few examples flashing LEDs etc…. So then I wanted to do a BLE peripheral beacon example and it told me to...
I'm looking at designing my own Bluetooth Receiver essentially. Playing music from my phone to a Bluetooth receiver, to output via AUX.
I was looking at the range of MCU...
Hi,
For my all DFU i follow the steps on the Getting started guide , just in the Performing DFU step i use the nrfutil tool for the over USB.
First i tried with the DFU...
Hi team,
Similar to how we have recommendations to use certain pins for low drive, low frequency on the nRF52 series, do we have those recommendations available for the...
nRF connect is not recognizing my nRF9160 board when I try to use the programmer tool. It allow me to select it from 'select device' drop down menu. But then I select it all...
Hi,
I am working with NRF52832 boards where on one board i have loaded Multilink central example, and on the other i have loaded peripheral code with some modifications...
I have merged Light and DFU examples(Light_DFU), and test DFU update both blinky and Light_DFU.
It is always getting ERROR_BUSY (134) while update Light_DFU, but success...
Hi, do you have a schematic / diagram that shows the architecture of the asset tracker application / nRF Cloud?
Does it use MQTT for communication?
Does it use the AWS...
Hi there. I'm developing an NRF52840 project from scratch and wanted to obtain a "good reference" sdkconfig.h . I tried picking one from the examples (the UART example, 'cos...
Hello guys I am using nrf52832 dongle for development and my client has nrf52832 DK at the moment. I have completed my firmware that get ADC values and store data on SD card...
So, we have a problem that the new Samsung S20+ phone is not able to connect to the nRF52833 if extended advertising is enabled (using nRF Connect for Mobile app).
The phone...
