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 All,
I am currently designing my PCB using nRF52840 chip.
I was using the footprint downloaded which was in nRF52840 dongle pcb library given by Nordic. During DRC...
Hello,
I am using Nrf51822.
I am using sd_110/application/bootloader, etc. in SDK_10.0 without problem.
Recently, migration to SDK_12.3 / sd_130 is in progress to...
How wide are the peaks? I know that it depends on many factors how high and long the peaks are. Currently we have measured peaks of 450 mA for 40-50 ms in our application...
Hi,
I am trying to run the Zephyr BME280 sensor sample application (using nRF9160 DK) in NCS1.3.1, but get the below error:
My prj.conf is as follows:
And board...
Hi all:
I install "nRF Connect SDK v1.3.0" by Toolchain manager,
but it always show "Failed to clone the repositories".
Could you have any suggestion?
best...
I am trying to interface my nrf51 DK with the Lis3dh sensor . I have one reference code by elmot for the project and it is working.
https://github.com/elmot/nRF51822xxAA...
Hi,
I'm comparing the nRF9160 DK and Thingy 91. The purpose is to copy the LTE RF design for a Band-20 application. The GPS will not be used.
Question: Is the complexity...
I have bought two thingy 91 to develop the tracker using GPS and accelerometer. I did all the step by step to load pre-compiled hex file given on the website. Then I created...
We are making customize the wearable who records the data from the accelerometer and GPS sensors and sends it back to our server. SO, we decided to use thingy 91 chip has...
Hi,
We built the Blinky sample with NRF Connect SDK 1.3.1. It works fine on NRF52833 DK, but when flashing on external custom NRF52833 board the firmware won't start without...
Hello,
I am trying to integrate the Unity test framework into our project and running into issues with how to add additional test files. Nordic provides one example project...
Hi,
I am developing a project where I have NRF52840 as a device and another NRF52840 as a BLE USB dongle connected to PC.
I have to improve the BLE data rate between the...
Hi,
I have a NRF52840 device connected by BLE to another NRF52840 BLE USB dongle connected throw USB to a PC application.
I want to synchronize the RTC on the connected...
Hello I am currently working on a project with the XM122 / XB122 kit for an evaluation, the XM122 card integrates an nrf52840 MCU and a radar sensor;
The goal of my project...
