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...
We would like to create the boot settings page and merge it with the application and flash the merged hex file using J-Link and nrfjprog.exe in production.
Currently in...
Hi,
We are looking for a secure NFC solution for our application. We want to make sure the tag is secured (cannot duplicate) and the reader, which is a NRF52840, needs to...
I am using SES V4.18 with SDK 15.3.0.
In sdk_config.h, I have set APP_VERSION_MAJOR and APP_VERSION_MINOR etc...
Is it possible to add these numbers to the output file...
I recently added Mesh DFU support to a project that I'm working on but it's extremely slow. It will take at least 1 hour to update the network under ideal conditions but I...
Hi,
My stack is
s112
SDK 15.3
Segger
nrfConnect
nrf52832 DK
Power profiler kit connected via USB to my MAC to get the traces to run.
CR2032 batter removed...
Hello
I cannot load the Radio Test code onto the Nordic NRF52 devkit. I'm using SDK15.3 and the project located at C:\nRF5_SDK_15.3.0\examples\peripheral\radio_test.
The...
Hello,
I noticed this weird bug that coincides with the SD card not initializing using the FATfs.
Basically, I have the SCLK pin of the NRF52DK connected to a breadboard...
Hi All: I am using NRF51802 ,SDK is 12.30 version, and softdevice is s130 2.0.1 version. using keil MDK 5.23 Version. And download the softdevice using nrfgostudio and keil...
Hello,
I have a nordic nrf52840 on board, with another MCU (Cortex-M4) on board. Both chips are connected over UART.
I want to use the Cortex chip to perform firmware...
Hi.
We have a strange issue we are seeing with a nRF52840 where scanning fails, but it is very rare.
Setup - nRF52840 is a central device, and there are 20 x nRF52832...
Hello Nordic!
I'm developing with s340, nrf52840, and sdk 15.3.0
My device is a peripheral and the phone is master in ble.
I listen to my coworker who is developing...
Hi, I'm trying to set P0.20 pin as MISO of my spi master to communicate with ADXL372 accelerometer sensor, but when the miso is disconnected the signal received matches with...
Hello.
I want to develop a custom bootloader able to update firmware version Over-The-Air (BLE)
I'm using a custom Dev Board based on nRF52832 with and nRF SDK V15.0....
I am developing device that uses NRF52 and GSM modem. Sometimes when connecting to bonded device connection fails and phone pop-up appear and ask for pairing. GSM antenna...
Hello,
we are using nRF Connect for Desktop with a nRF52840 USB dongle for our testing purposes. I found no feature for “Request MTU” (ATT MTU exchange), like it is available...
