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...
I like to use 2 server boards and 1 client board in mesh as custom model. Is it possible to use client to communicate with 2 or many server's without using instance in client...
Hello,
I am trying to conenct the DK to the nRF cloud. I registered the SIM successfully and then proceeded to insert the sim and power up the unit. The LED 3/4 sequence...
Hi there! I am looking to implement a Zigbee powered device using the nRF52840. I have very good hardware knowledge of said chip, but not so much of the software part (especially...
In the documentation for app_uart_init() - there is a statement indicating:
Function for initializing the UART module. Use this initialization when several instances...
device addr：38 D2 69 BB B9 E7
The address type returned by the nrf_ble_scan_address_type_decode function is BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE。
The type...
Hello Nordic Support!
About on-chip access method to Flash memory of nRF52832 please tell me. It is necessary to store calibration data in non-volatile memory (Flash)...
Hi,
I am a newbie and just strted first evaluation with nRF52832 board. I am using SEGGER IDE.
The example i am using is: C:\nordic_semi\nRF5_SDK_15.3.0_59ac345\examples...
I am trying to use the Watchdog on the nRF52840 as a means to check state of the application via different variables. If I see the application in a bad state, I would like...
Hi all,
I have a trouble about understanding.
As far as I understand, when Device 1 send service change indication to Device 2, Device 2 will rediscovery service of Device...
it seems that SDK 15.2 is missing the uint64_t cast for the reload_value calculation again.... or am i missing something? we use a 5 minute value, which does not work unless...
I try to DFU operation.
SDK15.3.0 / GCC / nrf52840
My application image size is 123,484bytes (nrf52module.bin)
I run command ,
nrfutil.exe pkg generate --hw-version...
Hello All,
I am working on nRF51822 using IAR IDE and nRF51 SDK 12.3.0.
Right now I am checking power consumption of device in ideal mode but right now it is higher. ...
