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 all,
I'm working on the example "multiprotocal" and trying to replace the system initialization from the example "ble_app_uart" by using SDK15.2
and after modified...
Hi,
I am using SDK15.2 to develop my project.
When I execute "app_timer_start" function (At line 115 of main.c), the system will crash.
Please reference the attach file...
hi guys, i'm triyng to enter the bootloader mode in my nrf52840 dev kit in order to upload the softdevice s340 fo ant.
is there anyone could help me how to do this?? i'm...
I am trying to compile nrfutil into a standalone executable, following the instructions at: https://github.com/NordicSemiconductor/pc-nrfutil
This works on Linux, and for...
I am working on a device that contains an nRF52840. It is a BLE central with up to 20 concurrent peripheral devices. For user experience, it's important that it be able to...
In certain situations, I and customer are having issues connecting to cell towers. The issue seems to be most consistent when the Link Monitor indicates a signal strength...
Hi, I was confused about the behavior of GPIOTE Handler module。I defined a handler(gpiote_event_handler) and I hope when the GPIO Pin(0.14) is changed from high to low or...
I use the example usbd_ble_uart with SDK_15.3.0. I need to send any byte received from the terminal via BLE. Do not wait until the buffer is full or the end of line character...
Hi,
I am trying to combine the usbd (hid mouse) example with the uart central example to run on the nRF52840 dongle. I am having a lot of problems and am not really sure...
I have some colleagues that are working on a project where they want to use the nRF52 as a general purpose IO processor alongside providing an BLE interface to a host Linux...
I installed SDK 15.3.0 build 59ac345 and started working though the DFU secure boot loader example. In the 15.3.0 documentation it says
Setup
You can find the source code...
Hello
We are using custom board which has two chip configuration for BLE stack. Main MCU runs the Zephyr Host only BT stack in peripheral mode.This is supposed to be GATT...
I am trying to compile the SPI example in SDK 15.2.0 for nrf52810. I am getting a compiler error in SES on nrfx_uart.c:
I modified the project according to the SDK documentation...
