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...
Normally one writes 0 to an event register to reset it.
I am writing a uart driver and when I open my interface I want to prime my transmit pump by setting EVENT_ENDTX to...
Hi all,
What are the default preflashed contents in the out of box nrf52840 flash?
I assume that bootloader is not present. If my assumption is correct how preflashed...
I'm looking at the SDK15 I2S example project using DMA. My dev set up is 52840/Keil.
The project is under: \nRF5_SDK_15.0.0_a53641a\examples\peripheral\i2s
In the callback...
I am new to BLE development, if that helps preface this question.
My goal is to get a BL652 module by Laird working with the BLE UART example from the Nordic SDK. I am using...
We are working on porting an MESH example from Segger to IAR.
We started with the BLE Peripheral Template, and pulled all the code for the light_switch_provisioner into...
Hi, I noticed that Silicon Labs announced their Mobile Mesh application for Android and showed a demo video .
I searched Nordic's GitHub page. However, I couldn't find...
While trying to make a custom server model, based on the on-off model in the documentation, the code breaks when receiving an incoming message. The problem is in the file...
Hi ,
We have designed an Nrf52832 customized board having 32mhz crystal but not having any low frequency clock. The board is working fine with the blinky and other codes...
Hi,
I want control my gpio P0.06 to enable mcp16251, which is a regulator provide power to the nrf52832,
when i trying to control the mcp16251, i found that the gpio can...
Hi,
I'm having some issues getting the ble_app_hids_keyboard example working on Windows 7! While I can pair and connect from Windows 7 the Bluetooth HID driver fails to...
Hi,
The nRF52840 DK (Board PCA10056) uses an "NFC Connector" (J5 on the Schematic) from W-CON with a manufacturer part number of 5141-05RZDNWR01. My team and I are using...
Hi,
I found my host device(non-Nordic) keeps sending a fix EDIV for all the client device. It seems working fine with other device, but not Nordic. I found Nordic stack...
Hi all,
I'm working on an application with the nrf52840, and I'm having trouble making data persist over reprogramming (Using nrfjprog); after I reflash my board, the data...
I am using a nrf52840 dev kit with the ICMP example and a linux host using a nrf52832 with the Zephyr stack as a controller. The linux host scans for the dev kit and connects...
