I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
I did have a working development board. I was working to disable serial and disable as much as possible to get the power usage down. It seemed to be working (although...
I tried this using the ram_retention example from the SDK (nRF5_SDK_15.3.0). The example (Ram Retention) still seems to work if the lines concerning NRF_POWER->RAMON and NRF_POWER...
Hi,
our appliction need to using I2S worked at 96kHz sampling, and i find two parameters , MCK and the CONFIG.RATIO,but when i use this formulation:
LRCK = MCK /CONFIG...
Hello,
I think about connecting two central devices (nRF's 52840) using one common antenna. One device will be only RX and will scan for a advertisements, second will manage...
Hi, I am from China. My company made a BLE module with chip nRF52810. Recently , I coded a program for it by SDK12, based on ble_app_uart example. I modified the corresponding...
I have setup the nRF52840 DK as below
https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/how-to-setup-the-thread-demo-displayed-live-at-google-i-o
Setup WireShark...
Hi,
We are currently going to try and implement FOTA/DFU with an nRF52840 controller and an nrf52832 peripheral. Is there any example for how this can be accomplished...
Hi,
I currently have a nRF52840DK pre-programmed with the DFU over BLE, but with the debug version. I am unable to physically get to the device, if I wish to perform a...
Hello,
We are using the SPIS on the nRF52832. We are seeing a higher than expected consumption when it's enabled and not used.
I measure around 7uA extra when enabling...
Hi:
I test the system off mode, I attached a micro vibration sensor. Pulse generated when shaking as follow.
the button config is BSP example default(toggle) , i try to...
Hi,
I am testing the blue_app_uart example and I want to send data
from my smartphone uart terminal app,back to the nRF52840 DK,
Nothing is being received by the segger...
In the latest Mesh SDK, nodes are subscribed to a GROUP address. In previous versions - 2.0.0 I believe - you could also send to a predetermined node.
I am trying to figure...
Hi I am reviewing the nRF52840-DK hardware documentation to make boards with good antenna performance.
Q1. I have divided it into three areas as shown below. Is my understanding...
Hi,
I have been trying to use Keil MDK's Middleware File System with my application. However, when I try to set the Software Component under Manage Run-Time Environment...
Hi, I am from China. My company made a BLE module with chip nRF52810. Recently , I coded a program for it by SDK12, based on ble_app_uart example. I modified the corresponding...