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, TF-M is supported and used on nRF5340 through Zephyr and we are having no troubles to run it and use it. Thus, we have had some discussions regarding the Secure and Non...
Hello,
I have interfaced the ble_hid_keyboard with uart using nrf52840-Dk in SDK 17.1.0. I am getting data to BLE_HID over uart, but i am not getting uppercase letters when...
Hey Nordic,
I use,
pca10056
s140
SDK 17.1.0
The following are the logs taken from PuTTY:
You can download my project from here . It is based on "ble_app_uart...
I'm running into an odd problem... I'm using a nRF52832 development kit and pc-ble-driver-py to write tests against our custom services and characteristics, and I just hit...
Hello everyone,
I am working with the latest Zephyr NCS 2.0.2 SDK to develop a BLE App with a nRF52840 Soc.
The device is going to produce a very low data rate, so I want...
I am using Nordic seriaization with nrf52480 as connectivity chip and a custom M4 board as Application chip. After 5th connection, the advertisement is not starting. While...
Hello team,
I am trying to build an audio LE application where I require a stereo output and microphone input. As an initial part of the project, I am trying to connect...
Hi,
I'm developing firmware for nRF52840 device (Acconeer XM122), and I'm trying to use fstorage library to write some data to flash.
SDK version 15.3.0, Segger Embedded...
I'm currently attempting to get the nRF 9160 to enter PSM mode when not transmitting along with the asset_tracker_v2 application just so we can do some power consumption measurements...
Hi Dev Zone,
We have an existing design that includes the Espressif ESP8266 Wi-Fi MCU and we would like to add an nRF52 to the design. Our preference would be to add the...
I'm using NRF52833 with SDK v16.0.0 along with mesh SDK v4.1.0. I want to know if it's possible to write data which is not word aligned into the internal flash (For example...
Hi everyone,
I started working on nordic nRF52832 DK and tested out some examples. I think i am done with the examples now and am looking to write my own code apart from...
Dear Members,
How can we determine the first ANT message from my transmitter ?
We saw from ant_parameters.h,
Which variable is being used ?
Kind regards...
Hi,
Today I found that after I OTA my board, it runs well at first. But when I reset it, it will run old image again.
Before this OTA, my board has gone through many OTAs...
hi all,
I am currently working on a ble project, the led based on the NRF52832 chip is used as the slave, and the mobile phone is used as the master to form a star network...