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 am using BLE as transport and NRF_BL_DFU_ENTER_METHOD_BUTTONLESS as to enter into DFU mode.
My question is:
My application is running at the start and I wanna...
Hello, I wanted to migrate from sdk16 to sdk17, So according to this topic I solve all pre compiling errors, then when I tried to download the code on my board(nRF52832) I...
In the Buttons and LEDs page, the LEDs are connected to P0.28-31 but in the connector interface page, the Figure 1 show LEDs connected to P0.13-16.
Buttons pins also looks...
Hello,
I am trying to create an application on my nRF52-DK using several custom service peripherals, each with 2+ characteristics. I have completed a few tutorials on...
Hi,
I am using USB device CDC, and the COM Port name on the PC is "nRF52 USB CDC BLE Demo (COMX), see the picture below.
How I can change it ? can I change it from...
Hi,
I followed the instructions described on https://github.com/NordicSemiconductor/pc-nrfconnect-launcher but I cannot "Start scan" within nRF Connect. It's greyed out...
Hi,
We just received prototypes of a new board with the nRF52840 and now we have a reset problem.
When the board is reconnected after a long time (no voltage remains on...
Hello,
I am testing the multilink BLE (1 central : n peripheral) UART example.
I am using Github code and tested it.
The central example is(SDK 16.0.0):
https://github...
Hi, I've just compiled clean examples from Zigbee and Thread SDK 4.1.0 and I'm following instructions from here: I've got CLI on the nRF dongle and multi_sensor example loaded...
Hi Nordic experts:
I am working with sdk 17.0.2 nrf52840 ble_app_uart example project. I added twis i2c slave functionality in this project, and the project is working fine...
Hello everyone.
I want to assess the range of my current setup, theoretically. And I found this useful online "calculator": www.bluetooth.com/.../ (please scroll down until...
Hello,
I wanted to implement WDT resets when my application hangs. I am working on the advertiser code, what I observe was when I implement WDT driver in SDK 15.2 examples...
Hi,
I have been working with mesh and I'm using the version 4.2 Mesh SDK.As I understand it I should use nrf_mesh_serial_tx() api to send serial message.When I use this...
Hi There,
I'm working on a datalogger project using nrf52840, includes BLE also. I'm using external 24 channel ADC and should be able to log data to the SDCard at the rate...
Hi, can you explain shortly is it possible to use OTA functionality from FreeRTOS application? I wasn't able to found such an example, and I'm wondering about the possibility...