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 want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
I'm sure the same question has been asked in a few different forms, but hoping for some ideas. . .
Is there a way to retain 32 bits of information across a watchdog reset...
We are considering useing this chip for a short range link. We want to use a synch character at the start of the transmitted message to accurately synchronise a process at...
Hi, I'm using nrf51 without ble.
I want to update flash but not want to delete PAGE every time.
NRF_NVMC->ERASEPAGE = (uint32_t) page_address;
How can i do?
We use IOS DFU toolbox to upgrade firmware with BLE device. we can upgrade successfully with Android, but always failed with IOS.
wrong code is: DFUErrorReadingVersionFailed...
Hi, it's probably a very dumb question, but i don't seem to find any details about it. In nrf52 SDK documentation, in Error Module section it says
The behavior of the...
Hi friends...!
I want to put dynamically changing MPU data into the advertising packet. I am putting my accelerometer data into manufacturer specific data field of ble_advdata_t...
How robust is the output PA of the nrf905?
Assume the ouput matching network and 50Ohm connector is used as in the 868Mhz application note.
If the antenna is removed...
Hi,
I'm trying to find a way to speedup the upload procedure of an application, via BLE on a Arduino Primo with the DFU service.
Here you can find my code:
https://github...
Hi,
I am using ble_app_uart sample code for testing. In that I want to store the incoming data into to three buffers and simultaneously sending this over BLE. i.e., consider...
