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 have implemented application that can connect to mobile and control audio (play/pause, volume, track). This works fine with Android. However this does not work at...
Hello fellow developers, and Nordic nerds,
I am very new to Nordic ecosystem as well as ble 5 mesh networking.
after seeing the ble mesh packet hopping feature, I am curious...
I wanted to use the nrfx_clock driver in my program, but it breaks OpenThread. I don't get any errors messages but the device can't connect to a network created with another...
Hi all,
I have no experience on Nordic products. I have struggled with this issue for several days. My goal is communication between nrf9160 and nrf52840 through UART. In...
Hi there,
I'm new to the Nordic devices, and thinking to start out using Zephyr, targeting the recently announced nRF5340. So I was reading the ncs 1.2.0 release notes and...
Hello,
I would like to know if it's possible to save the internal memory of the nRF52 to the computer in order to be able to reflash it in case it's necessary. I guess it...
Hello everyone,
I am trying to evaluate the multiprotocol capabilities of the nrf modules and am having issues compiling the 'ble_thread_dyn_coap_srv_eddystone' example...
Hi,
I am using NRF52832 in a custom board with SDK 15.3 and trying to implement the secure uart bootloader. I am able to download applications via uart bootloader however...
I am testing the PCA10059 nrf52840 dongle and I am trying to get the peripherial_uart sample code to work.
Programming is successful and the dongle is showing up on my phone...
Hi.
I'm using nRF52832 with MPU9250 IMU sensor to gather accelerometer, gyroscope data for mobility.
MPU9250 sensor is connected to nRF52832 via I2C line.
When...
I have read that choosing shorter connection interval reduces the communication latency at the cost of increased power consumption.
But shorter connection interval will...
I am scanning for advertisements and in scan_evt_handler() in the case NRF_BLE_SCAN_EVT_NOT_FOUND, I am printing the packet received using NRF_LOG_INFO().
I have also implemented...
Hi,
I would like to connect two external SPI flashes to the QSPI interface on my nRF52840. I see that there's only a single CSN pin that can be configured. Is it possible...
Hello,
I'm currently working on creating a custom characteristic so that my client can read a set of data from the server.
My intention is to have a server gather information...
Hi,
How do I measure the length of the created advertisement buffer? I want to add two UUIDs in the packet and the device is resetting. I guess the length is the issue...
