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...
Dear Team,
I have recently acquired NRF54L15 Development Board for evaluation and from Day 1 experiencing issues with BLE.
I am running simple Zephyr-based BLE Peripheral...
Hello everyone,
I am a EE student and this problem came up during my first big project in zephyr. I'm trying to connect a pwm peripheral (pwm1) to the timer 2 hardware timer...
Hello everyone,
I have an nRF5340 microcontroller (NORA B106 module), and I want to connect a square wave signal to one of its pins to read its frequency or count the number...
Greetings,
I have previously added the LittleFS to the internal flash of the nRF52840 with success using the available documentation. Our .dts & and code is shown below...
We are trying to add CarbonDioxideConcentration cluster in matter. we are able to add temperature and humidity clusters and values which are updated are getting read in chip...
Dear all,
I am wondering, what is the reason for C13 being 3.9pF for QFN package, while there is no capacitor on WLCSP reference design? Could we use like 10nF instead?...
Hello everyone,
I tried reading around the devzone and the infocenter , but I still didn't manage to solve my question.
In my scenario I'm using:
an nRF52832 as a...
I am trying to create a partition on mx25r64 using partition manager on my nrf52840dk. Below is my overlay file
Below is my prj.conf file
Below is my pm_static.yml file...
hi,
I am reviewing development in the environment below.
* HW : nRF52832
* SW : SDK -> example -> ble_app_uart_c
In the nRF52-DK board, we reviewed the example...
I have a couple questions regarding the Bluetooth Mesh provisioner role and TF-M builds.
I am using an NRF54L15 and currently swapped to v3.01. Previously on versions <3...
Using FreeRTOS and SDK 15.3 on nRF52840 and SES, SD 140
I'm following along with the NUS example project in this particular release and have a problem I'm a little stumped...
I'm having an issue with SPI communication. The problem is quite simple: if I use the Zephyr driver, everything works fine, but if I use the nrfx driver, it doesn't. The function...
Hello.
I'm having issues with a custom design board using NRF52832_QFAA SOC.
This is the snippet of the schematic design that my group created:
This board uses internal...
When selecting the ACLK frequency of 11.2896 mhz and a sample rate of 48khz, zephyr panics with the error "division by zero". The culprit is find_suitable_clock(). Posted...
