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...
In my project I need two UART's. One UART will be used for UART over BLE communication and another one will be for Connecting other modules with nRF52 board. So is it possible...
I built and downloaded the softdevice and app to the nRF52 board. Then I used nRF Connect Android app to connect to it. It seems to be connected as the LED1 is steady. But...
Hi guys,
I installed the latest nRF Sniffer software and use Wire Shark 1.10.14. My JLink driver is 6.12A (I'm not able to access any of the earlier drivers). The command...
We have received few nRF52840 preview DK. And one among them has a white sticker label which says 2016.49 and all others have 2017.14.
Should we be using the ones with...
hi, i was just wondering whether the app_timer works like a function or like a thread.
e.g. lets say i got my mainloop
while(1)
{
start_timer(...);
//DO SOMETHING...
hi：
i flashed bootloader_serial_xxAC.hex and s110_nrf51_8.0.0_softdevice.hex with nrfjprog. and flashed flash_page.hex, then update app using mesh serial, the app run well...
hi :
I want storage different size in flash.How can i do it?
I can write like this?
param.block_size = 16; //Select block size of 16 bytes
param.block_count = 1; //Select...
I have been analyzing the current consumption of my nRF52832 dev kit today using both a multi meter and an oscilloscope with a resistor. I'm not sure what I exactly did that...
HI All,
I wonder if someone can help me out. I would like to send serial data by modifying the 'simple_coap_server' main program. I added the following header 'app_uart...
Dear,
is anyone of the Nordic customers here using unit testing in their nRF52 project and would be willing to share an example project/their setup? Would be awesome. ...
Hi,
We are range testing BLE using the DK-52 with an external dipole antenna connected via the u.fl connector. We are using the DK-52 + packet sniffer software on a laptop...
I tryed to port the dfu secure bootloader sample of sdk 13 to eclipse managed project. after a few hours, i finished it. compiling and linking went fine but the filesize is...
Cannot connect to ATECC508A through TWI with NRF52832. Tested with nRF5_SDK_12 twi_master and deprecated twi_sw_master. It was working fine only with NRF51822 nRF5_SDK_12...
