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...
because I cannot find nRF module for testing.
and I want to use bluetooth 4.0 BLE with nRF uart
so my product will send data from serial port (rx ,tx through DB9 ) and...
Hi there, We are not using external Crystal for this design and thinking of reusing XL1 & XL2 (Pin 0 and Pin 1) for SPI (MISO & MOSI). But I found that I can't set properly...
So we're in production with the '832 and me, I drank the kool-aid already, but I'm trying to turn my cow-workers on to Nordic so I tell one of them "Oh install the command...
Hi There,
HW: PCA10056
SW: nRF5_SDK_15.2.0_9412b96
Test source code: ble_app_blinky
How can I create single Button with multiple condition based on the period of...
Dear Support,
I am working now on the PCA10040 Development-Board, I use the Booltoader from the nRF5_SDK_15.0.0 and the application from the nrf5_SDK_for_Mesh_v2.2.0. I...
Hi,
I have a crash in the LOG backend UART when the system shutdowns:
My power manager handler is as follows:
The crash occurs when the backend calls nrf_drv_uart_tx...
Dear Nordic,
I port one of my application for nRF52810 from nRF52832(application). i Followed as per guide. but when i build its showing an error.
RTE\Device\nRF52810_xxAA...
Hi, Sir
I met a problem when I enabled ble_adv_directed_slow_enabled in nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral\ble_app_hids_keyboard\pca10040\s132
The detailed...
Hey all,
I've been having a problem that it seems like a few others have had as well. When I connect my desktop computer to the devkit, it does not respond to any nrfjprog...
HI, I am using NRF52832 sdk15.2 .
I have some doubts
How to assign two to three different timers to do different functions
1. I need to read the sensor data every one...
Hello,
I'm working on a BLE central project where we want to utilize LESC Just Works Unauthenticated pairing.
I followed the recommended usage guide at https://www.nordicsemi...
Hi,
I am using nrf_fstorage_sd which uses nrf_atfifo. I would like to know what it is max usage of m_fifo queue so I can set lowest NRF_FSTORAGE_SD_QUEUE_SIZE value. I figured...
I develop an program with BLE DFU support, but we hope to merge all hex as single hex file. Then we can burn this hex file by programer (such as jlink or NRF52DK), So we have...
