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...
Hi friends:
I've followed "DFU quick start guide" and run DFU(from mesh-sdk-2.1.1) example done, the updating time is about 3000 seconds.
(My environment is only 2 devices...
I'm implementing my own DTM mode for the nRF52832 based on SDK14.2's DTM module (ble_dtm.c). My modified version of ble_dtm.c seems to work fine, but I don't completely understand...
Good afternoon,
I am able to write data using polling mode with the macro NRF_SERIAL_CONFIG_DEF(serial_config, NRF_SERIAL_MODE_POLLING, NULL, NULL, NULL, NULL). I am using...
Hi together!
Ist it possible to send a CR (Carriage Return) over the programmable UART Buttons?
When yes, what is the Syntax for?
For example, i need to send such a...
Hi
I used nrfutil.exe (v3.5.1 based on python v2.7.13) to create bootloader.zip file from SDK v15 - \dfu\secure_bootloader\pca10040_ble\ sample code.
CMD : nrfutil.exe...
It appears as if the LFCLK is not calibrated to 500PPM accuracy. I display the time in the system and every 60 seconds it falls 2-3 seconds later relative to the clock on...
nRF52832 / SDK V15.0.0 / nRF connect / DFU OTA Buttonless
Hello,
My device name is 21 chars but it is truncated and appears as 20 chars in nRF Connect "Discovery devices...
We are using an nrf51822 processor, running off of 2.7 volts from a switching power supply, powered with 12.4volts. The processor has simple gpio connections, and a battery...
Hi,
The structure nrfx_spim_xfer_desc_t contains both tx_length and rx_length fields.
Is there a situation where tx_length != rx_length ?
Thanks,
Daniel
I have a nicely working application that occasionally hangs. I have managed to trap a "hard fault" under the debugger (using VS with GCC). I have the system halted with the...
hello, Nordic developers!
I needs help develop rnf52840.
Goal
My goal is ble & 802.15.4 mutiprotocol, not using zboss network.
Actually, It is the same situation as...
Hello,
I am in the process trying to send multiple packets over ble but cannot seems to figure out this UART example.
I have read many posts that use ` ble_nus_string_send...
My understanding is that the nRF52840, which is the only nordic device to support the long range bluetooth physical layer. Additionally this chip requires SoftDevices 140...
Good day,
We are planning in developing our own custom-made nRF52840 PCB using the reference schematics provided by Nordic Semiconductor.
In the initial phase of our...
