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 15.2.0 SDK and 3.1.0 Mesh SDK.
I was trying to control two LED's on the nRF52DK using two generic level server models. I made following changes to the...
Hello. I got an nRF9160 DK with an iBasis eSIM that was already registered on an nRF Cloud account. Is it possible move the already activated eSIM to my Cloud account? I tried...
Hi Everyone
I have got 3 timers in my application.
1 is repeated , and other two are Single shot which are ran from the inputs to the 1st Repeated timer.
The repeated...
I'm developing for a custom board with an nrf52832. For one of my first tasks, I activated an on-board buzzer using the nrf_pwm driver. Then I stumbled across the low power...
Hi all,
I've compiled the SDK15.2 USBD CDC ACM example and uploaded it onto a Rigado BDM340 evaluation board, and run a second USB cable to the nRF USB socket. However,...
Hello,
We are trying to develop ble_app_uart with flow control enable, the problem is when we enable the flow control. if we send large number of data, the program get crashed...
Hi,
I am developing a product based on nrf52832 using FreeRTOS and the softdevice.
I use sdk 15 and I based my softdevice configuration on the ble_app_hrs_freertos example...
If the UARTE interrupt service routine is delayed from running more than 1 byte's worth of time, then APP UART FIFO does not see all bytes queued in the UARTE's easyDMA buffer...
Is there an API to get the dfu image size? We use this in combination with s_dfu_settings.progress.firmware_image_offset to show a progress bar on the gui. In the past, we...
The bluetooth mesh iOS app seems to be no more mantained since october 2018.
The main contributor of this project seems to have stopped working on it.
There are many open...
Hello I know you have IOS ( https://github.com/NordicSemiconductor/IOS-nRF-Mesh-Library ) and Android ( https://github.com/NordicSemiconductor/Android-nRF-Mesh-Library ) libraries...
Sir,
I am using a custom board, nRF52840 based MDBT50Q. I am working on the UART example program. In my board pin number 8 is used for some other purpose. And I have seen...
Hi,
I'm using a PCA10040 devboard to test the heart rate client example. I see that when using the example from SDK v15.2.0, I can connect to my (Polar) heart rate device...
I want to echo another comment from over a year ago regarding this issue. There are a number of electrical CAD tools that can import Altium files with very high fidelity as...