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...
hello,
i am using nrf52832 and sdk 15.3, we are building our project in ble_mouse example, after our device is connected to PC it directly getting disconnected and showing...
Hello,
We have noticed that with an iPhone 11 with IOS 13.2. We have a lot of disconnection because our device simply didn't respond to a ping request.
Our device is an...
I am using the Adafruit nRF52 Feather development board and their implementation of the Nordic blob for Arduino. I am having the problem where the output data is as expected;...
Hi,
I have a nRF9160DK with a Sim Card from a local provider, that supports NB-IoT.
I modified the example program in \ncs\zephyr\samples\net\sockets\echo and wanted to...
SDK: 15.3.0
I has ported cli example to my application.
There is a problem with displaying the text. (using custom board + USB to TTL tool)
as you see, "\n" doesn...
I have read a number of posts here about creating new projects, most are a couple of years old. I just want to make sure I'm not missing anything.
I am able to compile and...
Hi everybody, I would like to adopt an nRF52840 DK example to the nRF52840 dongle. ( There is a ble_uart_app example for the PCA10056 DK but not for PCA10059 dongle. I followed...
We are considering the nRF52840 for product integration and testing out now. We are looking for an RTOS example running in Segger Embedded Workbench and having problems -...
Hello,
im trying to use secure bootloader from SDK v 12.3. I have custom board with nrf51822 and one oscillator. I changed flags to custom board. I was able to compile the...
I need to update firmware in an nRF52 via TWI. It seems like it would be fairly easy to modify the serial bootloader/DFU provided with the SDK, but I'm not finding the code...
Hi, I'm using SDK15.2.0 and A nRF52832 for my project.
I followed the "flash_fstorage" example give by Nordic, to write in the flash memory in my project.
When I run my...
Hello,
I am using System ON mode for low power. Still it is consuming 2mA. I heard i can go down to 60uA. I am using UART for Communication. In Sleep I tried to disable...
We wanted to use the NRF51-DK to flash a few nRF51822 based beacons, using the SWD interface. The docs recommended using the Segger J-Flash program, but that program is now...
Having a bizarre issue with mergehex and DFU. I hadn't had a problem with this previously with this code base. When I try and merge the App, Bootloader, Bootloader Settings...
we are working on a project which required to use usb cdc acm. compare with normal serial, the usb cdc acm always lost some packages when chip start and reboot. do anyone...
