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 everybody,
I am running into the same issue as described in this post:
https://devzone.nordicsemi.com/f/nordic-q-a/50386/ble-scan-timeout-always-in-multiple-of-second...
I've been working with the NRF52840 for a while now. My setup is based on the CLI coordinator code and a bunch of end devices running the multisensor freertos based program...
I am trying to use a remaining timer/counter in the nrf52832 as a divide by 64 counter to get rid of an off board MC74HC4060 counter chip we are using for I2S from an external...
Hi Nordic Semiconductor!
Over the years I've been using your development kits, some days ago I got the nRF5340-DK and started on a new computer. Normally I dive into the...
I don't know why, but after issuing the nrfutil dfu command line, it takes ~34 seconds before the DFU starts and the progress bar is shown.
Sample command lines:
nrfutil...
Hello,
I want to use a FIFO. I want to send the data from file1.c and receive it on file2.c.
Currently, I have defiend my_fifo using K_FIFO_DEFINE(my_fifo) and using...
I am currently working on AoA direction finding solutons, and I have successfully run the demo direction_finding_connectionless_rx and direction_finding_connectionless_tx...
Hello,
I would like to ask you if there is an antenna layout available for the nRF52833. Indeed, I would like to develop my own application with it and, this SoC needs to...
Hello all,
I am currently working on receiving SAADC data and transmitting it through BLE with a sampling frequency of 1kHZ or higher. I am using nRF52832 board with the...
Hello, I have custom BLE service and characteristic as below image.
I wanted to discover them in ble central mode. I have modified ble_hrc_c.c to validate but central...
dear all
When I use QSPI to operate external flash and mount a FatFs file system, when I use RC = FS_ open(&file, fname, FS_ O_ CREATE | FS_ O_ WRITE); When creating a file...
Hello DevZone,
For my project I have a number of pins generating interrupts from different sensors.
I've read that GPIOTE IN events consume a bit more current than the...
nrf_mesh_config_app.h at the generic level mesh example contains constants like DEVICE_COMPANY_ID, DEVICE_PRODUCT_ID and DEVICE_VERSION_ID . I've expected those values to...