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 Devzone!
I'm using nrf52840 custom board to launch iot service.
We have two type of devices. One is master and the other one is slave.
For now, both of them...
In nRF5 SDK 16 (downloaded file nRF5SDK160098a08e2.zip), the components/boards/pca10059.h file is missing the LED_START and LED_STOP defines that are present for other boards...
Dear Nordic,
I have a 4MB external flash on my board, I've successfully run the code on it by using XIP. However, I got stuck when I was trying to read back data from...
The bug shows when executing an application in RAM with nrf52840. Using SDK 16 but seems to show in older versions also.
The below function code is the first level of...
Hi all!
Everywhere it can be read how important the dimensions of the groundplane are for a well working antenna... but what are the right dimensions? And where is the best...
Multilink S132 central should handle connections to multilink peripherals which do continuously advertise. Once central got first adv event from such peripheral it establishes...
Hey,
As a student currently I'am working on a project for my universitiy. I want to use the nRF51822 for Bluetooth low energy communication.
In the datasheet is written...
Hello Everyone,
I'm involved in a project where we are evaluating ble mesh and Thread mesh on nrf52840.
I want to know, does Nordic supports ble mesh and Thread mesh simultaneously...
When using Keil Compiler, I am unable to compile any of the ble_peripheral examples. I get an error that says...
RTE\Device\nRF52832_xxAA\system_nrf52.c(29): error: #5...
Issue with NRF52832 Firmware installation
Hi We are developing custom boards with nrf52832 chip, and it is working well.
The issues occurs when installing firmware without...
Hi,
as i mention in https://devzone.nordicsemi.com/f/nordic-q-a/44924/dfu-serial-failed i have f ramming error now and then when i do DFU over serial.
My idea was to write...
Hi,
after I received the thingy91 I wanted to connect it to the cloud, as mentioned in the get started.
But when I want to add the LTE Device, it shows the following Error...
Hi,
I got a new USB840M that have only the NRF52840 with a USB connector, I installed the nordic_cdc_acm.inf (driver for USB) for my PC, and my PC started to recognize...
